Flow price: --
471f5251d81b6dcad129d06b317f868183e64163c0f68d7f9a3129949a99b6fd

Transaction

Hash: 471f5251d81b6dcad129d06b317f868183e64163c0f68d7f9a3129949a99b6fd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 471f5251d81b6dcad129d06b317f868183e64163c0f68d7f9a3129949a99b6fd: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:
471f5251d81b6dcad129d06b317f868183e64163c0f68d7f9a3129949a99b6fd
Status:
ERROR
Block height:
39760206
Block id:
eaaccb5835b5c3e7882982e4202599a0fbac4bcdd532ee883a40f2b55c8a030d
Timestamp:
Wednesday 26 October 2022 at 17:33:35 UTC
()
Proposer:
Authorizers:
Gas used:
50