进游戏提示Error

忧郁的小猫咪

为什么进游戏提示这个？
Error [content0]game\gui\main_menu\ingamemenu\igmoptions.ws(30): I dont know any 'IGMActionType_Button'

Warning [content0]engine\environment.ws(30): Global native function 'EnableDebugOverlayFilter' was not exported from C++ code.
Warning [content0]engine\environment.ws(32): Global native function 'EnableDebugPostProcess' was not exported from C++ code.
Warning [content0]engine\showflags.ws(11): Global native function 'DebugSetEShowFlag' was not exported from C++ code.
Warning [mod0000_mergedfiles]game\player\playerwitcher.ws(6102): Return statement prevents the execution of successive lines of script
Warning [mod0000_mergedfiles]game\player\playerwitcher.ws(6105): Return statement prevents the execution of successive lines of script

点Retry之后，还是显示以下信息，不知道怎么修复啊？
Error [content0]game\gui\main_menu\ingamemenu\igmoptions.ws(30): I dont know any 'IGMActionType_Button'

Warning [mod0000_mergedfiles]game\player\playerwitcher.ws(6102): Return statement prevents the execution of successive lines of script
Warning [mod0000_mergedfiles]game\player\playerwitcher.ws(6105): Return statement prevents the execution of successive lines of script