Webmin stops with panic: fold_constants JMPENV_PUSH returned 2

SYSTEM INFORMATION
OS type and version Ubuntu 20.04.4 LTS
Webmin version 1.994

Hi there,

I would like some insight into Webmin for two items:

  • Does it restart every two or so hours?
  • Any ideas what causes the error below?

As you may see from the log, there was a restart at 07:47 and then another at 09:57.

The one at 09:57 has some kind of panic and then both Webmin and Virtualmin stops working.

Any info will be appreciated.

[21/Jun/2022:07:47:34 +0200] Restarting
[21/Jun/2022:07:47:37 +0200] miniserv.pl started
[21/Jun/2022:07:47:37 +0200] IPv6 support enabled
[21/Jun/2022:07:47:37 +0200] Using MD5 module Digest::MD5
[21/Jun/2022:07:47:37 +0200] Using SHA512 module Crypt::SHA
[21/Jun/2022:07:47:37 +0200] PAM authentication enabled
[21/Jun/2022:09:57:35 +0200] Restarting
[21/Jun/2022:09:57:37 +0200] miniserv.pl started
[21/Jun/2022:09:57:37 +0200] IPv6 support enabled
[21/Jun/2022:09:57:37 +0200] Using MD5 module Digest::MD5
[21/Jun/2022:09:57:37 +0200] Using SHA512 module Crypt::SHA
[21/Jun/2022:09:57:37 +0200] PAM authentication enabled
**panic: fold_constants JMPENV_PUSH returned 2.**

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