InDesign fails to open .indd files from Finder when full path is long on APFS external drive
Environment:
- macOS: 26.4.1
- InDesign version: 21.3
- Drive format: APFS external SSD
- File location: /Volumes/nollueP41/작업드라이브/01프로젝트별/국립환경인재개발원/01_폐기물처리 및 자원순환의 이해 2기/작업/폐기물처리 및 자원순환의 이해 2기.indd
Steps to reproduce:
1. Place an .indd file in a deep folder path on an APFS external drive.
2. Double-click the .indd file in Finder.
3. InDesign launches or becomes active, but shows the error:
“Missing required parameter 'from' for method 'open'.”
4. Move the same file to the root level or a shorter path on the same external drive.
5. Double-click again.
Expected result:
The .indd file should open normally from Finder regardless of full path length, as long as the path is valid in macOS.
Actual result:
The file fails to open from Finder when the full path is long. The same file opens normally via File > Open inside InDesign, and also opens when dragged into the InDesign window. Other file types such as PDF open normally from the same folder path.
Additional notes:
This appears to be an InDesign-specific issue handling long full paths passed from Finder, not a macOS file system issue.
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