Flow price: --
41f89d5f70f5c671205c611b608ad5ef92d8f4e1625ab977137a99ad3f962500

Transaction

Hash: 41f89d5f70f5c671205c611b608ad5ef92d8f4e1625ab977137a99ad3f962500
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 41f89d5f70f5c671205c611b608ad5ef92d8f4e1625ab977137a99ad3f962500:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
41f89d5f70f5c671205c611b608ad5ef92d8f4e1625ab977137a99ad3f962500
Status:
ERROR
Block height:
39815232
Block id:
9ed23f3d200d3594c2f9273220d7f5468542daa039f2688dac3f9ce4f63c3745
Timestamp:
Thursday 27 October 2022 at 15:44:32 UTC
()
Proposer:
Authorizers:
Gas used:
46