I've not seen this error, but if it's there then this is good to know. How would this look once implemented? Could you share a corrected file?

I can confirm the suggestion and fix by Kami-Kaze. To test/verify (provided for those who may not know how):

Step 0 (pre-fix step): Because the error is most plainly visible in BuildInfo's log file (%appdata%\SpaceEngineers\Storage\2392775805.sbm_BuildInfo\info.log), I recommend installing BuildInfo and it's dependency Text HUD API. Load your game to assess the relatively minor error for yourself.

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Step 1: I copied the workshop folder (\Program Files (x86)\Steam\steamapps\workshop\content\244850\2547246713) to (%appdata%\SpaceEngineers\Mods\).

Step 2: Changed the name of the copied (destination) folder to EDSR-2547246713 to be more human readable in-game mod selection.

Step 3: Decended the tree of the new folder to (%appdata%\SpaceEngineers\Mods\EDSR-2547246713\Data\Scripts\).

Step 4: Opened Session.cs in notepad++ (my preferred editor).

Step 5: Located the Init method and replace the code block with the code suggested by @Kami-Kaze.

Step 6: Saved and closed editor.

The next step assumes a test world. Any world will do, but it should be one you are willing to edit the mods for...

Step 7: Start Space Engineers > Load Game > Select a world > Edit Settings > Mods

NOTE: Local mods are typically sorted to the top on the left column of mods.

ADD the LOCAL version of the mod you created and edited for EDSR-2547246713.

IMPORTANT: If the official workshop version of EDSR presently exists (is added to) your test world, REMOVE it from the right column of mods.

This is the reason to have a test world, one that you typically run with zero mods except for those you are specifically testing.

You can then load up your game. The reason I suggested Step 0, is that, without a baseline that demonstrated the leak error, it is impossible to prove a negative. Play until you are satisfied. With the edits suggest by Kami-Kaze, the error was resolved for me without negative pin action (deleterious side-effects).

Thank you, Kami-Kaze for this. Since the author did not respond to you in a timely fashion (and I believe several months grace exceeds polite consideration), I chose to locally override the workshop version (as the license to use suggests) until such time as the author provides an update. The @Kami-Kaze provided code snippet satisfies the letter and intent of the GNU license. I'm not interested in publishing or maintaining a fork, so I shan't.

Finally, thank you, @Bačiulis for the hard work you put into this worthy alternative to the other mod whose name and litigious author (by the man on the Clapham omnibus, legal fiction standard) shall not be shared here.

[edited for speling and the gramer]

Could this cause an issue with contracts/stores not refreshing? I know it's a long shot, but I just have a feeling based off errors I've been getting