Flow price: --
d626efb261e8b0455e89c91012a7f085f2b4ac95f23791b3c236e0600bee915d

Transaction

Hash: d626efb261e8b0455e89c91012a7f085f2b4ac95f23791b3c236e0600bee915d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d626efb261e8b0455e89c91012a7f085f2b4ac95f23791b3c236e0600bee915d: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:
d626efb261e8b0455e89c91012a7f085f2b4ac95f23791b3c236e0600bee915d
Status:
ERROR
Block height:
39988271
Block id:
b1d723d02ff888e6d45273334b2fa025ed4903442e906fcea6ca8c051a36ffd7
Timestamp:
Sunday 30 October 2022 at 13:03:56 UTC
()
Proposer:
Authorizers:
Gas used:
47