Flow price: --
7939b440743e6c601e44dfe11714f9923bb0b808770e4b7b4bfbe635957476f1

Transaction

Hash: 7939b440743e6c601e44dfe11714f9923bb0b808770e4b7b4bfbe635957476f1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7939b440743e6c601e44dfe11714f9923bb0b808770e4b7b4bfbe635957476f1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7939b440743e6c601e44dfe11714f9923bb0b808770e4b7b4bfbe635957476f1
Status:
ERROR
Block height:
39934632
Block id:
2f5efa450664da19c430568b1c0f9d642e1cdc4f2ff0bb0a0ab0f75fa848a70b
Timestamp:
Saturday 29 October 2022 at 15:41:40 UTC
()
Proposer:
Authorizers:
Gas used:
47