Flow price: --
b1a8749015a2cca34dccdfa9d8ec436fce31750e1f2a07f88389b8e6b866db12

Transaction

Hash: b1a8749015a2cca34dccdfa9d8ec436fce31750e1f2a07f88389b8e6b866db12
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b1a8749015a2cca34dccdfa9d8ec436fce31750e1f2a07f88389b8e6b866db12:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b1a8749015a2cca34dccdfa9d8ec436fce31750e1f2a07f88389b8e6b866db12
Status:
ERROR
Block height:
40112754
Block id:
538cb7daa52e15c1b013d1044a271a6f9ee8111aae7877883c822bbf0fba8761
Timestamp:
Tuesday 1 November 2022 at 15:04:40 UTC
()
Proposer:
Authorizers:
Gas used:
48