Flow price: --
4a21188473d3b61fdb2f6657551fe2b66282ed6f4ebb87f7cb3cd89e207ea75f

Transaction

Hash: 4a21188473d3b61fdb2f6657551fe2b66282ed6f4ebb87f7cb3cd89e207ea75f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4a21188473d3b61fdb2f6657551fe2b66282ed6f4ebb87f7cb3cd89e207ea75f: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:
4a21188473d3b61fdb2f6657551fe2b66282ed6f4ebb87f7cb3cd89e207ea75f
Status:
ERROR
Block height:
39848765
Block id:
18092217e61b6e3ab0566e890f06a7e682c6ca3f8a89e5161a9c05d87f6453ce
Timestamp:
Friday 28 October 2022 at 05:15:50 UTC
()
Proposer:
Authorizers:
Gas used:
47