Flow price: --
b2717148c7f6665b82be98a2b18afc4f413f5345a550ca524d76efd5f7fffb17

Transaction

Hash: b2717148c7f6665b82be98a2b18afc4f413f5345a550ca524d76efd5f7fffb17
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b2717148c7f6665b82be98a2b18afc4f413f5345a550ca524d76efd5f7fffb17:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b2717148c7f6665b82be98a2b18afc4f413f5345a550ca524d76efd5f7fffb17
Status:
ERROR
Block height:
40125531
Block id:
0cabe889842b71ba25155305064bc5ccf12e1efa5b077de4aab0d106711ab258
Timestamp:
Tuesday 1 November 2022 at 20:16:36 UTC
()
Proposer:
Authorizers:
Gas used:
47