Flow price: --
873ebb2350b1d3621763159868c393ab9ce1019e446d8850e90d259f11f369d4

Transaction

Hash: 873ebb2350b1d3621763159868c393ab9ce1019e446d8850e90d259f11f369d4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 873ebb2350b1d3621763159868c393ab9ce1019e446d8850e90d259f11f369d4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
873ebb2350b1d3621763159868c393ab9ce1019e446d8850e90d259f11f369d4
Status:
ERROR
Block height:
40166856
Block id:
a9826359a07a630082268af53a540072c871da1d145a5ae3e76281cb6e69262c
Timestamp:
Wednesday 2 November 2022 at 13:04:09 UTC
()
Proposer:
Authorizers:
Gas used:
55