Flow price: --
d67fe0f92b6e3b001d4a2188b86f3e84520c09cb0521314ba3b12307d1cd3c5c

Transaction

Hash: d67fe0f92b6e3b001d4a2188b86f3e84520c09cb0521314ba3b12307d1cd3c5c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d67fe0f92b6e3b001d4a2188b86f3e84520c09cb0521314ba3b12307d1cd3c5c: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:
d67fe0f92b6e3b001d4a2188b86f3e84520c09cb0521314ba3b12307d1cd3c5c
Status:
ERROR
Block height:
39860650
Block id:
a9dd09422957db18d904fa78d96818160e524870caea22a6404081c79c64fff1
Timestamp:
Friday 28 October 2022 at 10:04:20 UTC
()
Proposer:
Authorizers:
Gas used:
47