Flow price: --
55a141dab9c60ea4efe7c1308d01e3797eec51c0e74ea7dac75e48aa726e7313

Transaction

Hash: 55a141dab9c60ea4efe7c1308d01e3797eec51c0e74ea7dac75e48aa726e7313
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 55a141dab9c60ea4efe7c1308d01e3797eec51c0e74ea7dac75e48aa726e7313:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
55a141dab9c60ea4efe7c1308d01e3797eec51c0e74ea7dac75e48aa726e7313
Status:
ERROR
Block height:
40126389
Block id:
e2fa79b6534dea3c1036d2c30aba3aaaa66f1e0b152b480be086cb28c71beee7
Timestamp:
Tuesday 1 November 2022 at 20:37:15 UTC
()
Proposer:
Authorizers:
Gas used:
47