This error can occur, if you:
Sent a Payroll Submission, then an ERR submission, and then attempt to send an amended Payroll Submission. Or,
Sent an ERR submission, then a Payroll Submission, and then attempt to send an amended ERR submission.
If you sent a Payroll Submission first, and sent an ERR Submission:
Any payroll submissions made in Sage Payroll v27.0 can't be amended and you must correct the payroll submissions directly on ROS. You can make a correction to your ERR submission in Sage Payroll v27.0.
However, any new Payroll or ERR submissions made in Sage Payroll v27.1 you can amend.
If you sent a ERR Submission first, and then sent a Payroll Submission:
Any ERR submissions made in v27.0 can't be amended in Sage Payroll. Please contact Revenue for advise on how to amend ERR submissions directly on ROS. You can make a correction to your Payroll Submission in Sage Payroll v27.0.
However, any new Payroll or ERR submissions made in Sage Payroll v27.1 you can amend.