Flow price: --
653ab04a710d850812b0e9d874f07e13b957d7c03fd2430ca9080c4ff8f1e318

Transaction

Hash: 653ab04a710d850812b0e9d874f07e13b957d7c03fd2430ca9080c4ff8f1e318
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 653ab04a710d850812b0e9d874f07e13b957d7c03fd2430ca9080c4ff8f1e318:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
653ab04a710d850812b0e9d874f07e13b957d7c03fd2430ca9080c4ff8f1e318
Status:
ERROR
Block height:
39822884
Block id:
b678d97b3358a5c460ea314c2332082fa08f34a62e5d131a123804412f261804
Timestamp:
Thursday 27 October 2022 at 18:50:58 UTC
()
Proposer:
Authorizers:
Gas used:
49