Flow price: --
d8374c842800c4547b8e174a9ce19e4df756e927316701398cfe29b297fb1b16

Transaction

Hash: d8374c842800c4547b8e174a9ce19e4df756e927316701398cfe29b297fb1b16
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d8374c842800c4547b8e174a9ce19e4df756e927316701398cfe29b297fb1b16:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d8374c842800c4547b8e174a9ce19e4df756e927316701398cfe29b297fb1b16
Status:
ERROR
Block height:
39964443
Block id:
c8bee038faa3db6010c99f41c290bbba62a380ec8def301ddff7b92bc69dd7dc
Timestamp:
Sunday 30 October 2022 at 03:31:56 UTC
()
Proposer:
Authorizers:
Gas used:
46