Flow price: --
199d93773b1f8b0a61eaba20174abdcaf1aa90324c82fc6dd1e8bacea2fa55d3

Transaction

Hash: 199d93773b1f8b0a61eaba20174abdcaf1aa90324c82fc6dd1e8bacea2fa55d3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 199d93773b1f8b0a61eaba20174abdcaf1aa90324c82fc6dd1e8bacea2fa55d3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
199d93773b1f8b0a61eaba20174abdcaf1aa90324c82fc6dd1e8bacea2fa55d3
Status:
ERROR
Block height:
40141439
Block id:
cd17bd64a3a33978770e802a1ef2238408e3f1c18eddc29361b209c290916a9e
Timestamp:
Wednesday 2 November 2022 at 02:45:47 UTC
()
Proposer:
Authorizers:
Gas used:
51