Question: warning about alias when run worksheet

This problem began about 3 nights ago.

When I load the subpackage UHG to RationalTrigonometry no warning.

When I rerun the worksheet warnings appear. If I put in arestart and reload the packages no warning. The problem only occurs with the sub packageUHG. The RationalTrigonometry package also has a few aliases.

Screen shot of one rerun  then added restart.

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