[BUG] Uploads not proceeding - spinning forever

[rmk-ch]

Hi
I am having issues with the owncloud IOS app and uploading many files to an OCIS server.

Steps to reproduce

1. Selecting many files (e.g. 50) in the Iphone Photo app or in the owncloud client (select upload files)
2. Wait
3. Few files are uploaded
4. Upload stops, all files left (under status) are just spinning and show "ausstehend" in the German app (probably something like awaiting in English)
5. Restart app, .... nothing helps

Expected behavior

Upload would not stop, all files will be uploaded eventually

Actual behavior

Upload stops, files are not uploaded. No idea, how to continue.

Client

iOS version:
17.2.1
ownCloud_29.01.2024__21_24_02.log.txt

ownCloud app version:
Release 12.0.3 Build 282

Device model:
Iphone 13 mini

Server configuration

ownCloud version: OCIS 4.0.5
Dockerized under Linux

Storage backend (external storage): Local

Client log highlight

2024-01-29 21:24:53.470000+0100 ownCloud[62527:3809818] [dbug] | [CORE, SyncEngine] processing sync records on lane <OCSyncLane: 0x281b66140, identifier: 1744, tags: {(\n B4EDA4B131A7428F8390A18DC612E83D,\n "/Natelbilder/folder/IMG_6188.JPG"\n)}> [OCCore+SyncEngine.m:722|FULL]
2024-01-29 21:24:53.471000+0100 ownCloud[62527:3809818] [dbug] | [CORE, SyncEngine] Budget limit of 3 reached for action category: upload [OCCore+SyncEngine.m:691|FULL]
2024-01-29 21:24:53.471000+0100 ownCloud[62527:3809818] [dbug] | [CORE, SyncEngine] Skipping processing sync record 2068 due to lack of available budget in (\n all,\n transfer,\n upload,\n "upload-cellular-and-wifi"\n) [OCCore+SyncEngine.m:771|FULL]

What does this mean? Where is this budget limit coming from?

[rmk-ch]

Hi
Any chance for a comment or a fix?
What does this upload budget limit mean and how can I change it?