Flow price: --
30d734e851e59ff96d0b370e556697dc0fe8231a35b100b92eb20a89d3f643d0

Transaction

Hash: 30d734e851e59ff96d0b370e556697dc0fe8231a35b100b92eb20a89d3f643d0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 30d734e851e59ff96d0b370e556697dc0fe8231a35b100b92eb20a89d3f643d0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
30d734e851e59ff96d0b370e556697dc0fe8231a35b100b92eb20a89d3f643d0
Status:
ERROR
Block height:
40035584
Block id:
4e6e50c547bfcb0da3b5c595f221cfa2adc6b5401ce981e381abf2a9b0696b4c
Timestamp:
Monday 31 October 2022 at 07:57:31 UTC
()
Proposer:
Authorizers:
Gas used:
46