[Error] Message: undefined method `name' for nil:NilClass PBS Compiling issue

Hello, so im making a game with pokemon essentials in rpg maker xp and i have just finished with my map metadata in the pbs files but i keep getting this error when trying to compile my files im unsure what the problem is and have been searching for something similar but have come up empty any help is appreciated



[2023-07-15 10:39:20 -0700]
[Pokémon Essentials version 21]
[v21 Hotfixes 1.0.0]

Exception: NoMethodError
Message: undefined method `name' for nil:NilClass

Backtrace:
Compiler_CompilePBS:1179:in `validate_compiled_map_metadata'
Compiler_CompilePBS:1172:in `block in compile_map_metadata'
Compiler_CompilePBS:55:in `block (3 levels) in compile_PBS_file_generic'
Compiler:143:in `block in pbEachFileSection'
Compiler:108:in `block in pbEachFileSectionEx'
Compiler:100:in `each_line'
Compiler:100:in `pbEachFileSectionEx'
Compiler:142:in `pbEachFileSection'
Compiler_CompilePBS:22:in `block (2 levels) in compile_PBS_file_generic'
Compiler_CompilePBS:16:in `open'

=================

[2023-07-15 10:42:32 -0700]
[Pokémon Essentials version 21]
[v21 Hotfixes 1.0.0]

Exception: RuntimeError
Message: Unknown exception when compiling.

Backtrace:
Compiler:1104:in `rescue in main'
Compiler:1031:in `main'
Main:29:in `mainFunctionDebug'
Main:18:in `block in mainFunction'
Errors:80:in `pbCriticalCode'
Main:18:in `mainFunction'
Main:45:in `block in <main>'
Main:44:in `loop'
Main:44:in `<main>'
-e:in `eval'

Did you manually change anything on "PBS/map_metadata"? Maybe something went wrong over there with the format? Forgot a comma or something?