No omission or delay by Lender in exercising any right or power under this Agreement or any related agreements and documents will impair such right or power or be construed to be a waiver of any Default, or Event of Default or an acquiescence therein, and any single or partial exercise of any such right or power will not preclude other or further exercise thereof or the exercise of any other right, and as to any Loan Party no waiver will be valid unless in writing and signed by Lender and then only to the extent specified.