Flow price: --
f80f856cadd72569d6432ba0a40f41481ee4ee792144d8b1638af3f9aad7410f

Transaction

Hash: f80f856cadd72569d6432ba0a40f41481ee4ee792144d8b1638af3f9aad7410f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f80f856cadd72569d6432ba0a40f41481ee4ee792144d8b1638af3f9aad7410f: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:
f80f856cadd72569d6432ba0a40f41481ee4ee792144d8b1638af3f9aad7410f
Status:
ERROR
Block height:
39843150
Block id:
353e3e811fd3e35a9be5819fee8a2c5e0e58c75507b984ea074d7ca6d886d73e
Timestamp:
Friday 28 October 2022 at 03:00:11 UTC
()
Proposer:
Authorizers:
Gas used:
50