In the 4/11/19 revision, six new columns were added to the SENR extract. These new columns will be extracted by the SENR extract, starting in May.
The new columns are being extracted prematurely by the Identifiers tab SENR extract (used to request SSIDs). The new columns are represented by the trailing six carets at the end of each student record in the file:
This issue is receiving prompt attention and a fix will be released soon.