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Troubleshooting ​

At this page we will adress common errors/issues while working with TrinityCore.

If your issue is not listed, you may check out our social media channels to get support.

Error/Issue ​

dyld: Library not loaded: libmysqlclient.XX.dylib

Tabs ​

Issue ​

Under macOS if you try to run the core and get the following error:

bash
dyld: Library not loaded: libmysqlclient.18.dylib

Referenced from: /your/path/to/bin/./worldserver
Reason: image not found
Trace/BPT trap: 5

This means it is looking for libmysqlclient.18.dylib file under /usr/lib/ folder but that file is not there.

Solution ​

The solution is to locate that file and create a symbolic link under /usr/lib/ by typing:

bash
sudo ln -s /path/to/your/libmysqlclient.18.dylib /usr/lib/libmysqlclient.18.dylib

For example:

bash
sudo ln -s /usr/local/mysql/lib/libmysqlclient.18.dylib /usr/lib/libmysqlclient.18.dylib

Application Error: 0xc000007b

Tabs ​

Issue ​

The following error appears when launching worldserver.exe, authserver.exe or bnetserver.exe:

Application Error

The application was unable to start correctly (0xc000007b). Click OK to close the application.

Solution1 ​

This error usually happens when mixing 32 bit and 64 bit DLLs.

It means that if you compiled TC in 32 bits mode (CMake option selected was "Visual Studio 12 2013") you will need the required DLLs in 32 bits as well. If you compiled TC in 64 bits mode (Cmake option selected was "Visual Studio 12 2013 Win64") you need all the DLLs in 64 bits mode.

  1. Make sure that the DLLs: libeay32.dll, libmysql.dll, ssleay32.dll and libzmq-v120-mt-X_X_X.dll match the compile mode you selected. a. Unsure if a .dll is 32 bits or 64 bits? See How to tell if .dll is 32 bits or 64 bits?. b. Download links to all these dependencies are available in the page Requirements.

Solution2 ​

This error always occurs when you run 32bit applications on a 64bit operating system, never on 32bit operating systems.

  1. Install the corresponding / matching 32bit (x86) Visual C++ Runtime distributable, vcredist_x86.exe to solve the issue.

src\common\Cryptography\ARC4.cpp:31 in Trinity::Crypto::ARC4::ARC4 ASSERTION FAILED: result == 1

Tabs ​

Issue ​

The following error appears when trying to login:

...src\common\Cryptography\ARC4.cpp:31 in Trinity::Crypto::ARC4::ARC4 ASSERTION FAILED:
result == 1

Solution ​

Your core has been compiled with OpenSSL 3.x. Therefor it requires legacy.dll. As written in the Windows Installation guide you forgot to copy the legacy.dll from openssl to your core folder.

Copy your openssl legacy.dll to your core folder