Flow price: --
8a74576bfed07352b2524209a766466e1c31b67ed7b979e34a93a2cb2de6fe76

Transaction

Hash: 8a74576bfed07352b2524209a766466e1c31b67ed7b979e34a93a2cb2de6fe76
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8a74576bfed07352b2524209a766466e1c31b67ed7b979e34a93a2cb2de6fe76:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8a74576bfed07352b2524209a766466e1c31b67ed7b979e34a93a2cb2de6fe76
Status:
ERROR
Block height:
39786040
Block id:
fd637dc0abc0438cb9f0f6eeba91bf4c7abe7761e9d03204ad9f40ecc71357d8
Timestamp:
Thursday 27 October 2022 at 03:57:58 UTC
()
Proposer:
Authorizers:
Gas used:
48