Flow price: --
a2b8b2bfbc63c52baebe6f85a1d6b2767f8945f4c2635ecb10bfc162aa97fd35

Transaction

Hash: a2b8b2bfbc63c52baebe6f85a1d6b2767f8945f4c2635ecb10bfc162aa97fd35
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a2b8b2bfbc63c52baebe6f85a1d6b2767f8945f4c2635ecb10bfc162aa97fd35:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a2b8b2bfbc63c52baebe6f85a1d6b2767f8945f4c2635ecb10bfc162aa97fd35
Status:
ERROR
Block height:
40030364
Block id:
247d3eb37ad41e74a7380235f95b8440bd6d1c20a446db88e910cdf38313ecb8
Timestamp:
Monday 31 October 2022 at 05:52:02 UTC
()
Proposer:
Authorizers:
Gas used:
47