Describe the bug
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To Reproduce
Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior
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Screenshots
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Desktop (please complete the following information):

• OS: Windows 10 [e.g. Windows, MacOS, Linux]
• MC Version and Forge version:14.23.5.2855-1.12.2 [e.g. 14.23.4.2705-1.12.2]
• Version 1.1.3[e.g. 1.1.0beta1]

Additional context
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I cannot place and broke block after I use the Meltdowner's ability

You must have bound your skills to the right mouse button.
Turn off your skill mode, and then everything was normal.

Thanks ,the bug has been solved, caused by the config