Flow price: --
7502f4e6880b9bd585a196da72f33c8b5fa92b6e18770aaed9fb0fb3639e23b2

Transaction

Hash: 7502f4e6880b9bd585a196da72f33c8b5fa92b6e18770aaed9fb0fb3639e23b2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7502f4e6880b9bd585a196da72f33c8b5fa92b6e18770aaed9fb0fb3639e23b2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7502f4e6880b9bd585a196da72f33c8b5fa92b6e18770aaed9fb0fb3639e23b2
Status:
ERROR
Block height:
40000743
Block id:
4a85a9cd66faf14739cd0213e011380ffc2f64d7fe84ec88039a88c7675dbcad
Timestamp:
Sunday 30 October 2022 at 18:03:56 UTC
()
Proposer:
Authorizers:
Gas used:
46