Why does parpool sometimes fail to initialize seemingly randomly and sometimes it works?

Hello everyone,
this is my first question so please be lenient with me.
I am using the following code to read multiple .his image sequences and then save each image of the sequences to a single .tif file.
parpool(8)
im=num_dithering*numICpoints;
parfor ii=1:num_dithering
temp=zeros(sizesequence);
for jj=1:numICpoints

temp=temp+double(readHISfile1([projectionFolder,sprintf(‘proj_dither_%01d_IC_%01d.his’,ii-1,jj-1)]));
end
temp=temp/numICpoints;
for i=1:numOfProj
imwrite(uint16(squeeze(temp(:,:,i))),[tempFolder,sprintf(‘proj_%04d_dither_%01d.tif’,i,ii)])
end
end
disp("saved raw projections")
delete(gcp)

I noticed that every few times i try to do this initializing the interactive session fails and i get this error message:
Error using parallel.internal.pool.InteractiveClient>iThrowWithCause (line
678)
Failed to initialize the interactive session.
Error using
parallel.internal.pool.InteractiveClient>iThrowIfBadParallelJobStatus
(line 818)
The interactive communicating job finished with no message.

I already checked if i run out of memory, but it seems all fine. When I get this error message I usually just rerun my script and then it works with no change of the code. Does anyone have an idea what the problem could be? I am using the Matlab version 9.9.0.1538559 (R2020b) Update 3. Thanks for your help!Hello everyone,
this is my first question so please be lenient with me.
I am using the following code to read multiple .his image sequences and then save each image of the sequences to a single .tif file.
parpool(8)
im=num_dithering*numICpoints;
parfor ii=1:num_dithering
temp=zeros(sizesequence);
for jj=1:numICpoints

I already checked if i run out of memory, but it seems all fine. When I get this error message I usually just rerun my script and then it works with no change of the code. Does anyone have an idea what the problem could be? I am using the Matlab version 9.9.0.1538559 (R2020b) Update 3. Thanks for your help! Hello everyone,
this is my first question so please be lenient with me.
I am using the following code to read multiple .his image sequences and then save each image of the sequences to a single .tif file.
parpool(8)
im=num_dithering*numICpoints;
parfor ii=1:num_dithering
temp=zeros(sizesequence);
for jj=1:numICpoints

Cart

Cart