Flow price: --
fd10783a39e1a576179b0ea022f6d4aab5b11198cc63e12e4a0bdf54e3b61e72

Transaction

Hash: fd10783a39e1a576179b0ea022f6d4aab5b11198cc63e12e4a0bdf54e3b61e72
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> fd10783a39e1a576179b0ea022f6d4aab5b11198cc63e12e4a0bdf54e3b61e72:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
fd10783a39e1a576179b0ea022f6d4aab5b11198cc63e12e4a0bdf54e3b61e72
Status:
ERROR
Block height:
39883836
Block id:
3314d5f8c3738c8547ed5cc5d1c9c07c83a38734501ac694de67bc47f40b682b
Timestamp:
Friday 28 October 2022 at 19:21:50 UTC
()
Proposer:
Authorizers:
Gas used:
47