can't fork child process when using VScode SSH #546

When using VScode SSH (or Cursor), all of my login sessions on other terminals start reporting:

WARNING: couldn't fork child process: resource temporarily unavailable
ERROR: couldn't fork child process: resource temporarily unavailable
while executing
"exec logger -t module "[get-env USER]: $command [join $args]""
(procedure "module" line 3)
invoked from within
"module autoinit"
("eval" body line 1)
invoked from within
"eval $execcmdlist"
Please report this issue at https://github.com/cea-hpc/modules/issues
bash: fork: retry: Resource temporarily unavailable
bash: fork: retry: Resource temporarily unavailable
bash: fork: retry: Resource temporarily unavailable
bash: fork: retry: Resource temporarily unavailable
bash: fork: Resource temporarily unavailable
bash: fork: retry: Resource temporarily unavailable

And my HPC session is effectively blocked.