Flow price: --
8adfcc44a120e8bda73fd9b71aeab3a82d8929f877c1aea8cd9d7e8bfc0d8f21

Transaction

Hash: 8adfcc44a120e8bda73fd9b71aeab3a82d8929f877c1aea8cd9d7e8bfc0d8f21
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8adfcc44a120e8bda73fd9b71aeab3a82d8929f877c1aea8cd9d7e8bfc0d8f21:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8adfcc44a120e8bda73fd9b71aeab3a82d8929f877c1aea8cd9d7e8bfc0d8f21
Status:
ERROR
Block height:
39980731
Block id:
7a9805c91a532074bb08c76bf0664f72badb127e7a3266a5b2905e35715d9392
Timestamp:
Sunday 30 October 2022 at 10:02:59 UTC
()
Proposer:
Authorizers:
Gas used:
47