What sort of strategies would a medieval military use against a fantasy giant? For now, you are interested in Widget handlers. "==" instead of "="). You can find out what arguments using World of Warcraft API as a reference. The first line includes the path to the file that is causing the error - addons/my_addon/lua/autorun/server/sv_my_addon_autorun.lua, Afterwards, the line that's producing the error - sv_my_addon_autorun.lua:2 (Line 2), Lastly, the error itself - attempt to call global 'Print' (a nil value). However, in Section 15.4 we will see that this facility allows If I call the event, the print is sent with the right team. Description: You tried to perform arithmetic (+, -, *, /) on a variable that cannot perform arithmetic. The API is exposed to Lua in the form of two standard packages ngx and ndk. Lua - Attempt to call global (a nil value). Is there a proper earth ground point in this switch box? How to tell which packages are held back due to phased updates. They are called with some arguments. @green though you're right, the FHH_OnLoad is there in the xml, there's just no arguments; Thank you a bunch. the Addon API has moved from global variables to locals. Neovim version (>= 0.7) NVIM v0.7.0 Build type: RelWithDebInfo LuaJIT 2.1.0-beta3 Edit: for Lua 5.0, I believe you'll have to open the libraries manually. Can airtags be tracked from an iMac desktop, with no iPhone? . This is a great way of searching the game and figuring out what you need to manipulate to write your Lua script. Euler: A baby on his lap, a cat on his back thats how he wrote his immortal works (origin?). Make sure your function is defined in the correct realm, Check your function calls for spelling errors, You tried to use a local variable that was defined later in the code, You've misspelled the name of the global variable, Make sure you define local variables before calling them in the code, The variable is defined in a different realm, The variable is local and defined later in the code, You've misspelled the name of the variable, Make sure the variable is only accessed in the realm it was defined in, If the variable is local, define it before accessing it, An IP address was written as a number instead of a string, Incorrect writing of multiplication of a number and a variable. This is not a concrete answer to the question, but I'd like to write a generic answer anyway. In Lua, you concatenate using two dots: a .. b . stalker script LUA ERROR attempt to index local 'outfit_now' (a nil value) Hot Network Questions If a law is new but its interpretation is vague, can the courts directly ask the drafters the intent and official interpretation of their law? Did any DOS compatibility layers exist for any UNIX-like systems before DOS started to become outmoded? The documentation for load says this about its return values: If there are no syntactic errors, load returns the compiled chunk as a function; otherwise, it returns fail plus the error message. If it happened clientside, it will be yellow. If a law is new but its interpretation is vague, can the courts directly ask the drafters the intent and official interpretation of their law? Then everything is fine. You can use something like this (if you want to find w inside the table): function contains ( tPassed, iValue ) for _, v in pairs ( tPassed ) do if tonumber (v) == tonumber (iValue) then return true end end return . What does this means in this context? privacy statement. You signed in with another tab or window. Learn more about Stack Overflow the company, and our products. When executing this code I get an error "attempt to call global 'forId' (a nil value). Check where FHH_OnLoad is actually used (name suggests it's somewhere in an XML). Right now, I can only tell that you are doing wrong with the event system. I had to basically remove and recreate my git folder, for some reason it got messed up. Where does this (supposedly) Gibson quote come from? you mean std::endl? There are many reasons for why a Lua error might occur, but understanding what a Lua error is and how to read it is an important skill that any developer needs to have. Nov 12, 2022. How Intuit democratizes AI development across teams through reusability. rev2023.3.3.43278. "Frameworks" like the WoW Add-On Framework often bring a new flavour to the language, so my comment may be wrong in your case. The reference to the current object in Lua ist called self.When you call a function with : instead of ., the object you're calling this function on is implicitly passed as the first parameter.If you define a function as something:yourfunction() instead of something . Python) - which means that the line above overwrites the global variable and effectively "kills" the whole builtin Lua table. Why Is PNG file with Drop Shadow in Flutter Web App Grainy? What does this means in this context? The code. It is generally used to store data in key-value pairs. The other thing I try is to create two configs: ~/.config/nvim. Messages which look like errors but are colored differently, such as red or white, are not Lua errors but rather engine errors. That may sound strange at first; Connect and share knowledge within a single location that is structured and easy to search. How to react to a students panic attack in an oral exam? The first line will print the table address - as long as there still is a table - the second line will cause an error and stop the compilation. },nil,' '). Lua read codes from first line to last line. Trying to concatenate a number to a string without a space between the number and the operator. My code is GPL licensed, can I issue a license to have my code be distributed in a specific MIT licensed project? ( the exact command can be found in the documentaries of your software. [Hidden Content] LunarVim version. Instead of the function itself, Do new devs get fired if they can't solve a certain bug? With your hints I was able to get the addon working. If the error happens serverside, the text color will be blue. Not the answer you're looking for? Description: Lua expected symbol1 instead of symbol2. When you try to open the chest empty, it gives the core, can you help? Thanks for contributing an answer to Stack Overflow! But the error says it is. 1.2.3, 2f). Well occasionally send you account related emails. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. TeX - LaTeX Stack Exchange is a question and answer site for users of TeX, LaTeX, ConTeXt, and related typesetting systems. . What's the difference between a power rail and a signal line? 1 13. where global values are still available everywhere. I have a Lua file (too old to remember what I did exactly) that includes this line: debug is a Lua table with introspection functions, which I obviously wanted to use, and which has to have worked when I wrote the code maybe one or two years ago. How can I explain to my manager that a project he wishes to undertake cannot be performed by the team? Staging Ground Beta 1 Recap, and Reviewers needed for Beta 2, Attempt to index global 'front' (a nil value), attempt to index global 'event' (a nil value), attempt to index global 'ent' (a nil value), Attempt to call field 'registersave' (a nil value), How to fix "attempt to index a nil value", Continuous "input:1: attempt to index a nil value (global 'game')" Error, ERROR: CREATE MATERIALIZED VIEW WITH DATA cannot be executed from a function. I'm trying to fix an old World of Warcraft vanilla addon, to run in the Classic client. You can iterate through every step of your preamble to find exactly where the problem starts. From billing.lua of the linked script. A place where magic is studied and practiced? Your server is printing "attempt to call global 'getPlayerWeapon' (a nil value)"? My code is GPL licensed, can I issue a license to have my code be distributed in a specific MIT licensed project? I've tried playing around with the "this" statement but I'm not really sure what to do, and thought I'd see if anyone of you bright people in here would know what's going on. Note: I have seen the many other questions on this error, but they all deal with working directly in Lua, as opposed to with the C api. Connect and share knowledge within a single location that is structured and easy to search. What am I doing wrong here in the PlotLegends specification? The nature of simulating nature: A Q&A with IBM Quantum researcher Dr. Jamie We've added a "Necessary cookies only" option to the cookie consent popup. Forgot to write "then" after an if statement), Not closing brackets and parentheses at the correct locations, Make sure there are no mistypes in the code, Close brackets and parentheses correctly (See: Code Indentation), Not closing all brackets, parentheses or functions before the end of the file, Wrong operator calling (e.g. Partner is not responding when their writing is needed in European project application, Bulk update symbol size units from mm to map units in rule-based symbology. One final note; the API changed a lot over the years and you will most likely run into even more problems. What is a word for the arcane equivalent of a monastery? the code builds just fine, but when I run it I get the following: [string "print ("lua")"]:1: attempt to call global `print' (a nil value) hello. rev2023.3.3.43278. If you want to print your own error messages, there are three functions to do it: Description: You tried to call a function that doesn't exist. lua_scripts/CustomItemFix/CustomItemFixSupport.lua:181: attempt to call global 'CreateFrame' (a nil value) Then I go into the second menu, where there is another menu, and when I click the first option tells me script ended. Attempt to call global function is nil, but function is not shown in debugger? NVIM v0.7.0 Build type: RelWithDebInfo LuaJIT 2.1.0-beta3. ERROR: CREATE MATERIALIZED VIEW WITH DATA cannot be executed from a function. At some point in the past, Blizz moved from various global variables to locals. Number 1 means the current function, Since you get the answer but yet you still get an error. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. stdin:5: attempt to call global `print' (a nil value) (You must run that code in a single chunk. You can change the environment of a function with the To learn more, see our tips on writing great answers. For example For instance, when you install a metatable to control global access, several interesting constructions, How is Jesus " " (Luke 1:32 NAS28) different from a prophet (, Luke 1:76 NAS28)? Making statements based on opinion; back them up with references or personal experience. Is there a proper earth ground point in this switch box? What is the point of Thrower's Bandolier? Try changing the load call to this: Thanks for contributing an answer to Stack Overflow! To learn more, see our tips on writing great answers. The function you're calling has an error in it which means it is not defined. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. in your preamble as suggested in this comment. You ended the function in this very weird situation. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. the code builds just fine, but when I run it I get the following: Note: I have seen the many other questions on this error, but they all deal with working directly in Lua, as opposed to with the C api. I've fixed that for you It's easier if you replace the "insult" variable by a "message" variable, since you seem to want to print both on the same screen space If you want to change the insult once per frame, I suggest you do it in love.update. 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