FINERACT-2181: Improve validation for reschedule fromDate parameter

fineract-e2e-tests-core/src/test/java/org/apache/fineract/test/data/LoanRescheduleErrorMessage.java

@@ -22,6 +22,8 @@ public enum LoanRescheduleErrorMessage {
 
     LOAN_CHARGED_OFF("Loan: %s reschedule installment is not allowed. Loan Account is Charged-off"), //
     LOAN_RESCHEDULE_DATE_NOT_IN_FUTURE("Loan Reschedule From date (%s) for Loan: %s should be in the future."), //
+    LOAN_RESCHEDULE_FROM_DATE_INSTALLMENT_NOT_FOUND(
+            "Validation errors: [rescheduleFromDate] Failed data validation due to: repayment.schedule.installment.does.not.exist."), //
     LOAN_LOCKED_BY_COB("Loan is locked by the COB job. Loan ID: %s"), //
     LOAN_RESCHEDULE_NOT_ALLOWED_FROM_ZERO_TO_NEW_INTEREST_RATE("Failed data validation due to: newInterestRate."), //
     LOAN_RESCHEDULE_NOT_ALLOWED_FROM_CURRENT_INTEREST_RATE_TO_ZERO("The parameter `newInterestRate` must be greater than 0."), //