Issues with Loan Anonymization on snapshot

The loan anonymization is not executed on snapshot . The possible root cause is:

08:03:27 INFO CqlQuery Encoding query module=="LOAN_HISTORY" and configName=="loan_history"
08:03:27 INFO OkapiHttpClient GET http://10.36.1.67:9130/configurations/entries?query=module%3D%3D%22LOAN_HISTORY%22+and+configName%3D%3D%22loan_history%22&limit=1&offset=0
08:03:27 INFO ResponseInterpreter Response received: Response from "null" status code: 500 body: "proxyHeaders failure: mod-authtoken-2.4.0-SNAPSHOT.61 http://10.36.1.67:9174: io.netty.handler.codec.TooLongFrameException: HTTP header is larger than 8192 bytes. Headers:
Accept: application/json, text/plain
host: 10.36.1.67:9130
X-Okapi-Match-Path-Pattern: /*
X-Okapi-Module-Permissions:

X-Okapi-Permissions-Required: configuration.entries.collection.get
X-Okapi-Request-Id: 108822/circulation;835765/configurations
X-Okapi-request-ip: 172.17.0.9
X-Okapi-request-method: GET
X-Okapi-request-timestamp: 1575360207960
X-Okapi-Tenant: diku
....
X-Okapi-Url: http://10.36.1.67:9130
X-Okapi-User-Id:
", content type: "text/plain"
08:03:27 INFO FailedResult Writing failure response