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Script 'Window_Base' line 373: NoMethodError occurred. undefined method '%' for nil:NilClass

BMM Archive · July 15, 2026

Preserved forum archive. This topic stores the original first post and locally mirrored RPG Maker Web attachments when available. It is posted by the BMMPlay archive account, not by the original creator.

Original Source

  • Original title: Script 'Window_Base' line 373: NoMethodError occurred. undefined method '%' for nil:NilClass
  • Original author: Laggycat
  • Original date: March 27, 2018
  • Source thread: https://forums.rpgmakerweb.com/threads/script-window_base-line-373-nomethoderror-occurred-undefined-method-for-nil-nilclass.93289/
  • Source forum path: Game Development Engines > Ruby Game System (RGSS) Scripts > RGSSx Script Support

Summary

After a series of errors and bugfixes, this error reared its ugly head. Checked help forums, nothing i could find there. Tried recreating the problem, didn't work. Scripts seemed to be in order, but i think it's something with my project. The error is "Script 'Window_Base' line 373: NoMethodError occurred. undefined method '%' for nil:NilClass". Script that seems to be causing the issue is the first one on http://rmrk.net/index.php?topic=47693.0 . Link to my game files: https://www.dropbox.com/s/s0qiiw4las3jd8s/Project2.zip?dl=0 (name of the game is Sandwich Quest)

Archived First Post

After a series of errors and bugfixes, this error reared its ugly head. Checked help forums, nothing i could find there. Tried recreating the problem, didn't work. Scripts seemed to be in order, but i think it's something with my project. The error is "Script 'Window_Base' line 373: NoMethodError occurred. undefined method '%' for nil:NilClass". Script that seems to be causing the issue is the first one on http://rmrk.net/index.php?topic=47693.0 . Link to my game files: https://www.dropbox.com/s/s0qiiw4las3jd8s/Project2.zip?dl=0 (name of the game is Sandwich Quest)

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