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xmp files not saved after initial loading folder and rename

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#1 magges
Hi Gunther,

this is an issue I already saw in LRT 5.x, but I did not digg into it. I still have it with LRT 6.0.2 and 6.0.3 on Apple hardware with ARM and Intel processor.

Precondition:
- There is a new sequence in a folder, which was loaded in LRT never before. The raw file format does not matter (I have cr2, cr3 and dng)
- I copy the files manually to the disk drive, I do not use the LRT importer.
- The files have to naming from the camera, no date & time prefix applied yet.

Actions:
1. Load the folder in LRT -> everything ok
2. Rename the files with date & time prefix -> files in LRT are renamed as well as on disk. -> ok
3. Create keyframes & apply holy grail wizard if possible -> LRT shows the keyframes, curves and unsaved metadata.
4. Save the metadata

Result:
LRT looks like it saves the metadata (progress bar) and the red background indicating unsaved metadata disappears. The file browser on the left in LRT shows the icons for keyframes and holy grail wizard. But on the disk are no xmp files.
When I browse in LRT to another folder and then back to the sequence, the icons in the browser disappear and there are no keyframes or holy grail adjustments in the sequence on the right. When I create the keyframes* and apply the wizard now and save the metadata, the xmp files get created and everything is fine.

*Maybe there is another issue here: The sequence has no keyframes in this state. When I press the "Create Keyframes" button, usually at least one keyframe gets created automatically. But here I have to create it manually, as none is created automatically. This happens only with non-holy-grail-sequences.

Code:
2022-04-29 09:41:17 [INF] --- Loading directory: /Users/magges/Pictures/Timelapse/neu/100_0630
2022-04-29 09:41:17 [DEB] Loading sequence properties from /Users/magges/Pictures/Timelapse/neu/100_0630/.lrt/lrtsequence.properties
2022-04-29 09:41:17 [WRN] Sequence properties-file not found.
2022-04-29 09:41:17 [DEB] Launched Folder Loader worker with 10 threads.
2022-04-29 09:41:17 [ERR] Could not create snapshot dir!
2022-04-29 09:41:18 [DEB] Finished loading XMP data in 1 sec.
2022-04-29 09:41:18 [DEB] DNG sequence with 250 images loaded.
2022-04-29 09:41:18 [DEB] Memory: [max|26208] [used|771] [free|25437]
2022-04-29 09:41:18 [DEB] Buffer size for ExifTool: 25
2022-04-29 09:41:20 [DEB] Sequence shot in manual mode
2022-04-29 09:41:20 [DEB] Timestamp Data complete!
2022-04-29 09:41:20 [DEB] Sequence is new or was processed with LRT < 4.0
2022-04-29 09:41:20 [DEB] Launched Camera Previews Loader worker with 10 threads.
2022-04-29 09:41:27 [DEB] Renamed /Users/magges/Pictures/Timelapse/neu/100_0630/HYPERLAPSE_0001.DNG to /Users/magges/Pictures/Timelapse/neu/100_0630/2022-03-13_185751_HYPERLAPSE_0001.DNG
...
2022-04-29 09:41:27 [DEB] Renamed /Users/magges/Pictures/Timelapse/neu/100_0630/HYPERLAPSE_0250.DNG to /Users/magges/Pictures/Timelapse/neu/100_0630/2022-03-13_190615_HYPERLAPSE_0250.DNG
2022-04-29 09:43:07 [INF] --- Loading directory: /Users/magges/Pictures/Timelapse/neu/100_0549
2022-04-29 09:43:07 [DEB] Loading sequence properties from /Users/magges/Pictures/Timelapse/neu/100_0549/.lrt/lrtsequence.properties
2022-04-29 09:43:07 [DEB] Launched Folder Loader worker with 10 threads.
2022-04-29 09:43:07 [DEB] Detected a Masks 2.0 sequence.
2022-04-29 09:43:08 [DEB] Finished loading XMP data in 1 sec.
2022-04-29 09:43:08 [DEB] DNG sequence with 160 images loaded.
2022-04-29 09:43:08 [DEB] Memory: [max|26208] [used|3372] [free|22836]
2022-04-29 09:43:08 [DEB] Buffer size for ExifTool: 16
2022-04-29 09:43:08 [DEB] Sequence shot in manual mode
2022-04-29 09:43:08 [DEB] Timestamp Data complete!
2022-04-29 09:43:08 [DEB] Sequence processed with LRT 6.0.3, Build 792
2022-04-29 09:43:08 [DEB] Launched Camera Previews Loader worker with 10 threads.
2022-04-29 09:43:15 [INF] --- Loading directory: /Users/magges/Pictures/Timelapse/neu/100_0630
2022-04-29 09:43:15 [DEB] Loading sequence properties from /Users/magges/Pictures/Timelapse/neu/100_0630/.lrt/lrtsequence.properties
2022-04-29 09:43:15 [DEB] Launched Folder Loader worker with 10 threads.
2022-04-29 09:43:16 [DEB] Finished loading XMP data in 1 sec.
2022-04-29 09:43:16 [DEB] DNG sequence with 250 images loaded.
2022-04-29 09:43:16 [DEB] Memory: [max|26208] [used|3817] [free|22391]
2022-04-29 09:43:16 [DEB] Buffer size for ExifTool: 25
2022-04-29 09:43:18 [DEB] Sequence shot in manual mode
2022-04-29 09:43:18 [DEB] Timestamp Data complete!
2022-04-29 09:43:18 [DEB] Sequence processed with LRT 6.0.3, Build 792
2022-04-29 09:43:18 [DEB] Launched Camera Previews Loader worker with 10 threads.
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#2 Gunther
Hi Magges,
first of all: this is the perfect way to report a bug. Thank you very much!
I managed to solve both issues. Both issues will be fixed in the next update (6.0.4).
Thanks again and let me know, if you ever find something again.
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#3 magges
You are welcome!

Thanks, I am/was software qualification engineer (software tester) Wink
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#4 Gunther
LRTimelapse 6.0.4 is now available for download and should fix this issue: https://lrtimelapse.com/download/
I'm looking forward to hear your feedback.
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