Flow price: --
289bceb9073f807cf743543b844b51a2b6debf240f2c2a8f1143efbe4146235e

Transaction

Hash: 289bceb9073f807cf743543b844b51a2b6debf240f2c2a8f1143efbe4146235e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 289bceb9073f807cf743543b844b51a2b6debf240f2c2a8f1143efbe4146235e: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:
289bceb9073f807cf743543b844b51a2b6debf240f2c2a8f1143efbe4146235e
Status:
ERROR
Block height:
40114298
Block id:
2949de3b42604b1d25dca39c0081733143ec78dafd7b78d6929a0fad24b59041
Timestamp:
Tuesday 1 November 2022 at 15:42:10 UTC
()
Proposer:
Authorizers:
Gas used:
47