CROSSLINK-266 Fix migration script

Author: JanisSaldabols

…/048_add_duplicate_search_index.down.sql …/049_add_duplicate_search_index.down.sqlbroker/migrations/048_add_duplicate_search_index.down.sql renamed to broker/migrations/049_add_duplicate_search_index.down.sql broker/migrations/048_add_duplicate_search_index.down.sql renamed to broker/migrations/049_add_duplicate_search_index.down.sql

@@ -161,7 +161,7 @@ func (ms *PatronRequestMessageSender) sendBorrowingRequest(ctx common.ExtendedCo
 	result.IncomingMessage = w.IllMessage
 	if w.StatusCode != http.StatusOK || w.IllMessage == nil || w.IllMessage.RequestConfirmation == nil ||
 		w.IllMessage.RequestConfirmation.ConfirmationHeader.MessageStatus != iso18626.TypeMessageStatusOK {
-		if w.IllMessage.RequestConfirmation.ErrorData != nil &&
+		if w.IllMessage != nil && w.IllMessage.RequestConfirmation.ErrorData != nil &&
 			w.IllMessage.RequestConfirmation.ErrorData.ErrorValue == string(handler.ReqIsDuplicate) {
 			result.ActionResult = &events.ActionResult{Outcome: ActionOutcomeDuplicate}
 			return actionExecutionResult{status: events.EventStatusSuccess, result: &result, pr: pr}