Did you try to reinstall FeynCalc (stable version) using the automatic installer to make sure that you have the latest bugfixes?
No, but this version should be up-to-date with the hot-fix-stable branch
Does your Mathematica initialization file contain statements that might influence the behavior of FeynCalc? Sometimes external packages may modify `init.m` in unusual ways, causing troubles for other codes.
No
Please provide a minimal working example that illustrates the problem and works on a fresh kernel. The example should be provided either by writing the code (as `InputForm`!) directly in the issue text or by attaching a Mathematica notebook. Please do not post code samples as screenshots, PDF files etc.: Those essentially require us to retype everything by hand, which is annoying and also time consuming. Please explain the difference between the current behavior and the expected behavior.
This will produce a Error! FCFADiracChainJoin has encountered a fatal problem and must abort the computation. The problem reads: "Evaluation of isolated objects failed.". However, reduce the number of gamma matrice in the block (Dir5,Dir1) will produce a result:
12.3.1 for Linux x86 (64-bit) (June 24, 2021)
9.3.1
No, but this version should be up-to-date with the hot-fix-stable branch
No
This will produce a
Error! FCFADiracChainJoin has encountered a fatal problem and must abort the computation. The problem reads: "Evaluation of isolated objects failed."
. However, reduce the number of gamma matrice in the block(Dir5,Dir1)
will produce a result: