Flow price: --
709b8f7d3193e745d70ff905f63aabe79aa3ac79c47ff2136be7d6e0e3fce80c

Transaction

Hash: 709b8f7d3193e745d70ff905f63aabe79aa3ac79c47ff2136be7d6e0e3fce80c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 709b8f7d3193e745d70ff905f63aabe79aa3ac79c47ff2136be7d6e0e3fce80c: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:
709b8f7d3193e745d70ff905f63aabe79aa3ac79c47ff2136be7d6e0e3fce80c
Status:
ERROR
Block height:
40014359
Block id:
ec856ca39ba9a85f78cd506e49ee2c063a38ad6f74e02486ef13ffb8d4025fd6
Timestamp:
Sunday 30 October 2022 at 23:27:27 UTC
()
Proposer:
Authorizers:
Gas used:
48