Flow price: --
59a7cc23511e1bda61b5db415ca4c9eec1c74ec707af11312dcb3233fbe6d8b6

Transaction

Hash: 59a7cc23511e1bda61b5db415ca4c9eec1c74ec707af11312dcb3233fbe6d8b6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 59a7cc23511e1bda61b5db415ca4c9eec1c74ec707af11312dcb3233fbe6d8b6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
59a7cc23511e1bda61b5db415ca4c9eec1c74ec707af11312dcb3233fbe6d8b6
Status:
ERROR
Block height:
39873276
Block id:
178afa934e4f7404be33a26d491c9991aa4019a62c2bd6b2d4e01faf1a01cfcd
Timestamp:
Friday 28 October 2022 at 15:08:37 UTC
()
Proposer:
Authorizers:
Gas used:
47