This qRFC error occurs when EWM send Good Receipt posting to ECC system if there is Interval is not created/updated in ECC.
In order to resolve this problem Go To FNB1 in ECC and add missing interval for the current year, i.e.2017.
Go to FBN1 in ECC:
Choose Change Intervals
Find Interval 50 for the current year.
As you seen year 2017 entry is missing, you need to add missing year and number range now.
Click in + sign to open a new row at the top of the table and add missing entry as seen below.
SAVE it and go back with green arrow.
If you get a message that entry is exist, that means you forgot updating the year to 2017.
Once it is saved, you get the below message that indicates it's not transportable.
Click Okay and go back with green arrow.
Click on the number status
Find the new entry that you just made
Copy the latest number range (5000000004) from 2016 and insert in 2017 .
Now go back to SMQ2 in ECC and re-run the error message as seen below
Now it is gone, cleared.
Go back to Interval range to see what is the new number that system assigned after re-run.
Now double check if quantities are matching in EWM Monitor and in ECC
MMBE in ECC