Flow price: --
79f65d7f022bd7d57f60fdc202ce0e99530a4db1dc85c9af7922b801fc80ce26

Transaction

Hash: 79f65d7f022bd7d57f60fdc202ce0e99530a4db1dc85c9af7922b801fc80ce26
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 79f65d7f022bd7d57f60fdc202ce0e99530a4db1dc85c9af7922b801fc80ce26:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
79f65d7f022bd7d57f60fdc202ce0e99530a4db1dc85c9af7922b801fc80ce26
Status:
ERROR
Block height:
39980546
Block id:
b7da827bb8906a16a5c0676ff334fe40422fe5bfcd72340b10496af3be19a6ad
Timestamp:
Sunday 30 October 2022 at 09:58:37 UTC
()
Proposer:
Authorizers:
Gas used:
50