Flow price: --
12f9c74496cf6ff75dfefeda410c67b91d69653837a6850887917e155a7c5b5e

Transaction

Hash: 12f9c74496cf6ff75dfefeda410c67b91d69653837a6850887917e155a7c5b5e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 12f9c74496cf6ff75dfefeda410c67b91d69653837a6850887917e155a7c5b5e: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:
12f9c74496cf6ff75dfefeda410c67b91d69653837a6850887917e155a7c5b5e
Status:
ERROR
Block height:
39903518
Block id:
f0168893708e747d8b660a6b95f6036ece5e29b616a9d8b3ddc10b941e571045
Timestamp:
Saturday 29 October 2022 at 03:09:54 UTC
()
Proposer:
Authorizers:
Gas used:
46