Describe the bug

oldEnvT: Syntax error: [string "oldEnvT = {..."]:81: '}' expected (to close '{' at line 1) near ']'

Happened in CI, full log here for all the variables and context.

To Reproduce
Since this happened in CI I wasn't yet able to reproduce this with a minimal example. We have switched back to Lmod 8.7.52 and the issue isn't caused by this older version of Lmod.

Desktop (please complete the following information):

• OS: Linux
• Linux distribution: Rocky Linux 9.5
• Lmod Version: 8.7.63

Additional context
Might be similar to #775.