i have create a new coin from forknote generator


2017-Jul-22 08:42:00.852658 WARNING Checkpoint block hash mismatch for block 655255584deceb8a1aa1be41b42c89bc891bbb5632b5abc43bfc4c8a197ae012
2017-Jul-22 08:42:04.932268 WARNING CHECKPOINT FAILED FOR HEIGHT 79000. EXPECTED HASH: cae33204e624faeb64938d80073bb7bbacc27017dc63f36c5c0f313cad455a02, FETCHED HASH: 265919798af0bc54175053aa632858dc009e7719c558a397bd34a35e51039224


Now after a few months I get this error.
Can anyone help me solve it?

Thanks