Flow price: --
1f76b631d5c5be2de938a6945af37cb661e29c89191ddbee6dd06907aa285769

Transaction

Hash: 1f76b631d5c5be2de938a6945af37cb661e29c89191ddbee6dd06907aa285769
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1f76b631d5c5be2de938a6945af37cb661e29c89191ddbee6dd06907aa285769:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1f76b631d5c5be2de938a6945af37cb661e29c89191ddbee6dd06907aa285769
Status:
ERROR
Block height:
40159061
Block id:
c03a75c73c095be8cf0123ddb6119f8a635afa5d78fced72637bbcf3a742a710
Timestamp:
Wednesday 2 November 2022 at 09:55:20 UTC
()
Proposer:
Authorizers:
Gas used:
49