Flow price: --
d4adc21e34ea15e9171a12a3700a54d7788c1a05028a736c1581bd9eb16b6ccb

Transaction

Hash: d4adc21e34ea15e9171a12a3700a54d7788c1a05028a736c1581bd9eb16b6ccb
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d4adc21e34ea15e9171a12a3700a54d7788c1a05028a736c1581bd9eb16b6ccb: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:
d4adc21e34ea15e9171a12a3700a54d7788c1a05028a736c1581bd9eb16b6ccb
Status:
ERROR
Block height:
40120645
Block id:
601af85732f9174246544a84ef1f669ae60fc963fe7638276cae74cfcfe1e7f3
Timestamp:
Tuesday 1 November 2022 at 18:16:59 UTC
()
Proposer:
Authorizers:
Gas used:
46