Flow price: --
619ead5b5b67d37a9098009a73003ca1b55f86765c3bef1aab060bda6fdc4614

Transaction

Hash: 619ead5b5b67d37a9098009a73003ca1b55f86765c3bef1aab060bda6fdc4614
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 619ead5b5b67d37a9098009a73003ca1b55f86765c3bef1aab060bda6fdc4614:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
619ead5b5b67d37a9098009a73003ca1b55f86765c3bef1aab060bda6fdc4614
Status:
ERROR
Block height:
40107536
Block id:
27885fb4a0e49cf7fbf39d2f4a5d4952081816c1b384d244e472f3a30c92c8c7
Timestamp:
Tuesday 1 November 2022 at 12:58:06 UTC
()
Proposer:
Authorizers:
Gas used:
49