Duplicate, copy/paste sequence takes forever

[edward_1798]

Hello,

I have problems when trying to duplicate or copy/paste a sequence in the project window. It takes up to 5 minutes for the window to appear after right clicking. Then another 5 minutes after clicking „duplicate“. Same when using shortcuts cmd c/v. Working in the timeline seems to be ok, sometimes a bit laggy.

I didn’t have the problem when starting the project. I started editing in shorter sequences and then adding them  for a 30 minutes film and its that master timeline that takes forever or crashes when duplicating.

Footage is from a Sony FX9 in 4k 50p Sony FX2 50p and GoPros 50p but im editing in a 1080p timeline.

What I’ve tried so far:
Deleting media cache, Resetting workspace, copying into new project (what caused a crash, so I couldn’t really finish that attempt)

I’m using the latest Premiere Pro 25.5. on MacOS Sequoia 15.6.1.
(updated to MacOS Sequoia 15.7.1 today but haven’t worked on that yet)

System is a Mac Studio M4 Max 64GB 16C CPU 40C GPU

Thank you for your help.

[IanB_360]

Hi @edward_1798 
If you drag and drop the sequences into the main 30-minute sequence, do you experience the same thing? Do you have any effects in the sequence that may be causing the issue? If you would like to send us the .prproj file, we could take a look at it with you and see what is happening that makes it take a while to paste.  

here to help 
Ian

[edward_1798]

Hi Ian,

Thanks for that quick reply. I’m not getting 100% of what you mean by that. I rarely use drag and drop functions. Do you mean I should create a new blank sequence and then drag the shorter parts/sequences from the project window into the blank timeline instead of copy and paste them?

Regarding effects, the video clips don’t have any effects applied, but there are quite a few audio clips with clarity vx noise reduction by waves and izotope noise reduction. Tomorrow I’ll try to remove them. If that’s not successful I could send you the project file. Is that useful even though you don’t have the footage?

Kindly
Edward

[edward_1798]

News. Dragging and dropping did the same thing, but removing the plugins on the audio trakcs solved the issue. I used waves clarity vx, izotope noise reduction and sonible smart eq on quite a few of the clips. you think that is too much of computing in the background for premiere? or does is it not support these particular plugins? 

One thing I hoped the global fx button could switch off the effects and the copying might work but the fx button only affects the video tracks, is that right?