Flow price: --
c198d350c80147dbd31c24c2ed9f0793fbf4aa6584f76c94db007247b5ab5fec

Transaction

Hash: c198d350c80147dbd31c24c2ed9f0793fbf4aa6584f76c94db007247b5ab5fec
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c198d350c80147dbd31c24c2ed9f0793fbf4aa6584f76c94db007247b5ab5fec: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:
c198d350c80147dbd31c24c2ed9f0793fbf4aa6584f76c94db007247b5ab5fec
Status:
ERROR
Block height:
39881532
Block id:
1b7aa128c465c2c1cd83f9b945335ca526f4dba2f9f91d7bf0e7e0c9b7366ece
Timestamp:
Friday 28 October 2022 at 18:26:37 UTC
()
Proposer:
Authorizers:
Gas used:
49