Flow price: --
b31d416a7c49525ab09f4f462194a1d33d014b0dab1416dc1a84cfe4698eb641

Transaction

Hash: b31d416a7c49525ab09f4f462194a1d33d014b0dab1416dc1a84cfe4698eb641
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b31d416a7c49525ab09f4f462194a1d33d014b0dab1416dc1a84cfe4698eb641:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b31d416a7c49525ab09f4f462194a1d33d014b0dab1416dc1a84cfe4698eb641
Status:
ERROR
Block height:
40107284
Block id:
5c1751ab34d7087f9db63f5914d961ede027a3bfa0bc67c191c1a83ea4e8b17c
Timestamp:
Tuesday 1 November 2022 at 12:52:03 UTC
()
Proposer:
Authorizers:
Gas used:
46