Asking help to resolve errors

[DJ Kalu]

Why is it showing these errors in Mathematica 14.3 version, but in older versions like 13, there are no errors?

[Thomas Bäckdahl]

Hi!

This is a name conflict with new functions in Mathematica 14.3. 
José should soon release a new version of xAct fixing this.

In the mean time you can add these two lines before you load the packages:

xAct`xTensor`Commutator;
xAct`xTensor`Anticommutator;

Regards
Thomas

On 2025-10-01 11:55, DJ Kalu wrote:

Why is it showing these errors in Mathematica 14.3 version, but in older versions like 13, there are no errors?

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