# Only 0 MB of RAM available

**URL:** <https://forum.collaboraonline.com/t/only-0-mb-of-ram-available/5085>\
**Category:** User Support\
**Created:** [September 30, 2026, 3:17pm UTC](https://forum.collaboraonline.com/t/only-0-mb-of-ram-available/5085 "2026-09-30T15:17:25Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![darshan](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.collaboraonline.com/darshan/32/2230_2.png) [@darshan](https://forum.collaboraonline.com/u/darshan)\
**Post date:** [October 1, 2026, 9:26am UTC](https://forum.collaboraonline.com/t/only-0-mb-of-ram-available/5085/4 "2026-10-01T09:26:38Z")

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@giox069 Thanks. Good news first: the memory message is gone, so the Apache sandbox was behind that line. The remaining failure is something else.

The three lines you quoted are normal for the built-in server. The cache and proof-key messages appear on every built-in CODE install, and the seccomp warning is how the AppImage always runs. More telling is what is not there: no error at all when you try to open the document. That suggests the request never reaches coolwsd. Could you send:

1. The exact message the browser shows now. Is it still “taking longer than expected”, or something else?
2. Whether coolwsd is listening, and what the proxy reports:  
ss -ltnp | grep 9983  
curl -s [https://YOUR-HOST/apps/richdocumentscode/proxy.php?status](https://YOUR-HOST/apps/richdocumentscode/proxy.php?status)
3. All log lines, not only ERR/WRN, from the moment you open a document:  
tail -60 $LOG  
plus any richdocuments entries in nextcloud.log from the same minute.

One more thing worth trying in parallel: richdocumentscode 26.4.402 came out on 24 Sep, right when you upgraded, and two people on 24.04 report that documents stopped opening with it while 26.4.303 works (#355 ([Built-in CODE 26.4.402 fails to open documents with "System exception"; downgrade to 26.4.303 fixes it · Issue #355 · CollaboraOnline/richdocumentscode · GitHub](https://github.com/CollaboraOnline/richdocumentscode/issues/355)), #356 ([26.4.402: Built-in CODE fails to auto-start, proxy.php waits indefinitely for coolwsd.pid · Issue #356 · CollaboraOnline/richdocumentscode · GitHub](https://github.com/CollaboraOnline/richdocumentscode/issues/356))). You can install 26.4.303 by hand from the releases page ([Release 26.4.303 · CollaboraOnline/richdocumentscode · GitHub](https://github.com/CollaboraOnline/richdocumentscode/releases/tag/26.4.303)): disable the app, replace the apps/richdocumentscode folder, enable it again. If that fixes it, we know the Ubuntu sandbox was only half of the story.

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