Flow price: --
2a89b9420dd7101d6e3d9ecf3c028632bf5738c3b866c84e70aa1cb3e2f8acd3

Transaction

Hash: 2a89b9420dd7101d6e3d9ecf3c028632bf5738c3b866c84e70aa1cb3e2f8acd3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2a89b9420dd7101d6e3d9ecf3c028632bf5738c3b866c84e70aa1cb3e2f8acd3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2a89b9420dd7101d6e3d9ecf3c028632bf5738c3b866c84e70aa1cb3e2f8acd3
Status:
ERROR
Block height:
39986801
Block id:
eccd7085cf9e154c9e7c418fc8d07213a66d71146941c214e2f2da2f224ec738
Timestamp:
Sunday 30 October 2022 at 12:28:47 UTC
()
Proposer:
Authorizers:
Gas used:
49