Flow price: --
51c337619d77111047c08266900871ba924ab6e8d82b0a4b38b1f74d95f3d278

Transaction

Hash: 51c337619d77111047c08266900871ba924ab6e8d82b0a4b38b1f74d95f3d278
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 51c337619d77111047c08266900871ba924ab6e8d82b0a4b38b1f74d95f3d278:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
51c337619d77111047c08266900871ba924ab6e8d82b0a4b38b1f74d95f3d278
Status:
ERROR
Block height:
39760492
Block id:
3a582465c0a4ef7f7381544c9fd1d45649aa523ffc5d9a37927fd59b7e60ce5c
Timestamp:
Wednesday 26 October 2022 at 17:40:26 UTC
()
Proposer:
Authorizers:
Gas used:
46