Flow price: --
8d70407dbdf5247195b738048a1d8af12165c65ba5cf55966be4a7417fe5581f

Transaction

Hash: 8d70407dbdf5247195b738048a1d8af12165c65ba5cf55966be4a7417fe5581f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8d70407dbdf5247195b738048a1d8af12165c65ba5cf55966be4a7417fe5581f: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:
8d70407dbdf5247195b738048a1d8af12165c65ba5cf55966be4a7417fe5581f
Status:
ERROR
Block height:
39735371
Block id:
db70f8932bdcddb2a296e6d1d0fe714215269dcacd37f54960ac43414d6fd2f5
Timestamp:
Wednesday 26 October 2022 at 07:33:25 UTC
()
Proposer:
Authorizers:
Gas used:
49