Flow price: --
a326bfd8c5a2a0c9a8ff0b32e81b292b7981ab4350e5a552d8a5ed46c0d11675

Transaction

Hash: a326bfd8c5a2a0c9a8ff0b32e81b292b7981ab4350e5a552d8a5ed46c0d11675
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a326bfd8c5a2a0c9a8ff0b32e81b292b7981ab4350e5a552d8a5ed46c0d11675:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a326bfd8c5a2a0c9a8ff0b32e81b292b7981ab4350e5a552d8a5ed46c0d11675
Status:
ERROR
Block height:
39856092
Block id:
9196ecb81d50ede24eb8e08800b45de8ac9350fe514653fe7539d217b6fe76c4
Timestamp:
Friday 28 October 2022 at 08:15:02 UTC
()
Proposer:
Authorizers:
Gas used:
48