Flow price: --
137c6876b8947c3df769f0b8fb6272893f2785c3b12fc3e3ba9e991146a73281

Transaction

Hash: 137c6876b8947c3df769f0b8fb6272893f2785c3b12fc3e3ba9e991146a73281
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 137c6876b8947c3df769f0b8fb6272893f2785c3b12fc3e3ba9e991146a73281:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
137c6876b8947c3df769f0b8fb6272893f2785c3b12fc3e3ba9e991146a73281
Status:
ERROR
Block height:
40133211
Block id:
87a362ee4bec1482e51d2d52e90c0bfb08a4d3cd1db98d5cc3e126c2f125c79e
Timestamp:
Tuesday 1 November 2022 at 23:25:31 UTC
()
Proposer:
Authorizers:
Gas used:
47