Flow price: --
2749e1e0b2105a646fc925e825ddbae0fc879b8b2f8aa00e63b22982f9e40031

Transaction

Hash: 2749e1e0b2105a646fc925e825ddbae0fc879b8b2f8aa00e63b22982f9e40031
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2749e1e0b2105a646fc925e825ddbae0fc879b8b2f8aa00e63b22982f9e40031:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2749e1e0b2105a646fc925e825ddbae0fc879b8b2f8aa00e63b22982f9e40031
Status:
ERROR
Block height:
39873504
Block id:
164cc99b54a1f588141631887cc3af6ee69425b9e0473b41ca4ae6e4c5c318ea
Timestamp:
Friday 28 October 2022 at 15:13:59 UTC
()
Proposer:
Authorizers:
Gas used:
49