Flow price: --
3bfe1943bed8544359969bcc21094c3a69a96668b24b7239d4820192ff6bfab1

Transaction

Hash: 3bfe1943bed8544359969bcc21094c3a69a96668b24b7239d4820192ff6bfab1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3bfe1943bed8544359969bcc21094c3a69a96668b24b7239d4820192ff6bfab1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3bfe1943bed8544359969bcc21094c3a69a96668b24b7239d4820192ff6bfab1
Status:
ERROR
Block height:
40104216
Block id:
2fe70b891d348351dd786383c7b166e8c41b7dc0485974a1451cf786504a0234
Timestamp:
Tuesday 1 November 2022 at 11:37:35 UTC
()
Proposer:
Authorizers:
Gas used:
50