In addition to the notices required by Section 5(b) hereof, Grantors will advise the Lender promptly, but in no event later than thirty (30) days after the occurrence thereof, in reasonable detail, (i) of any Lien or claim made or asserted against any of the Collateral that is not expressly permitted by the terms of the Credit Agreement, and (ii) of the occurrence of any other event which would have a material adverse effect on the aggregate value of the Collateral or on the validity, perfection or priority of the Security Interests.