No delay or failure of the Bank to exercise any right, power, or privilege hereunder shall affect such right, power or privilege, nor shall any single or partial exercise thereof preclude any further exercise thereof, nor the exercise of any other right, power or privilege. The rights of the Bank hereunder are cumulative and are not exclusive of any rights or remedies that the Bank would otherwise have except as modified herein. No amendment, modification, supplement, termination, consent, or waiver of or to any provision of this Agreement, or any of the Loan Documents, nor any consent to any departure therefrom, shall in any event be effective unless the same shall be in writing and signed by or on behalf of the Bank.