System.OverflowException: Array dimensions exceeded supported range.
Author: IanRohrbacherCreated Jun 8, 2026Updated Jun 10, 2026
Note: if you do not provide all of the following information I will directly ignore and close this issue
Il2CppDumper version net6-win-v6.7.46
Target Unity version (optional) Unity 2021.3.18f1
Describe the issue
Initializing metadata... Metadata Version: 29 Initializing il2cpp file... Il2Cpp Version: 29 Searching... CodeRegistration : 0 MetadataRegistration : 0 Use custom PE loader CodeRegistration : 0 MetadataRegistration : 0 ERROR: Can't use auto mode to process file, try manual mode. Input CodeRegistration: 18048e6b0 Input MetadataRegistration: 1804d33a0 System.OverflowException: Array dimensions exceeded supported range. at Il2CppDumper.BinaryStream.ReadClassArray[T](Int64 count) in C:\projects\il2cppdumper\Il2CppDumper\IO\BinaryStream.cs:line 187 at Il2CppDumper.Il2Cpp.Init(UInt64 codeRegistration, UInt64 metadataRegistration) in C:\projects\il2cppdumper\Il2CppDumper\Il2Cpp\Il2Cpp.cs:line 174 at Il2CppDumper.Program.Init(String il2cppPath, String metadataPath, Metadata& metadata, Il2Cpp& il2Cpp) in C:\projects\il2cppdumper\Il2CppDumper\Program.cs:line 236 ERROR: An error occurred while processing. - Upload executable file and global-metadata.dat files.zip
Source: Perfare/Il2CppDumper