Flow price: --
a9f3003fc2fc835c9b71e7209e75829ea57facdd7b5d7fcd9b620ea6d6569f03

Transaction

Hash: a9f3003fc2fc835c9b71e7209e75829ea57facdd7b5d7fcd9b620ea6d6569f03
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a9f3003fc2fc835c9b71e7209e75829ea57facdd7b5d7fcd9b620ea6d6569f03:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a9f3003fc2fc835c9b71e7209e75829ea57facdd7b5d7fcd9b620ea6d6569f03
Status:
ERROR
Block height:
40085470
Block id:
a896149472229094bda9ab9ee68256fab93f00536004067406ac4eb6a20eb6ce
Timestamp:
Tuesday 1 November 2022 at 04:00:51 UTC
()
Proposer:
Authorizers:
Gas used:
48