Flow price: --
910fd83a72c86dd3ba2ccbc02e37c0e03ca7e47ffd965cd253f30debe2ddc563

Transaction

Hash: 910fd83a72c86dd3ba2ccbc02e37c0e03ca7e47ffd965cd253f30debe2ddc563
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 910fd83a72c86dd3ba2ccbc02e37c0e03ca7e47ffd965cd253f30debe2ddc563:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
910fd83a72c86dd3ba2ccbc02e37c0e03ca7e47ffd965cd253f30debe2ddc563
Status:
ERROR
Block height:
39908081
Block id:
731c77cce27c6dbd86994a11d74867bb33b10d4f198550114f5a46922b3a9619
Timestamp:
Saturday 29 October 2022 at 04:59:49 UTC
()
Proposer:
Authorizers:
Gas used:
59