Hi, What SASKiwi is saying is that even though you are using the DISP=SHR option, someone else if reading the file with the DISP=OLD option. Therefore, you won't be able to read it until the other users assignment clears. If you find the offending user(s) and get them to amend their SAS/JCL to DISP=SHR then you will be OK.
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