Flow price: --
4a2d7181cdab145086652c9aedeb7a6a1bfc909a48e6cda1f0e29a7e6dbb6d93

Transaction

Hash: 4a2d7181cdab145086652c9aedeb7a6a1bfc909a48e6cda1f0e29a7e6dbb6d93
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4a2d7181cdab145086652c9aedeb7a6a1bfc909a48e6cda1f0e29a7e6dbb6d93:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4a2d7181cdab145086652c9aedeb7a6a1bfc909a48e6cda1f0e29a7e6dbb6d93
Status:
ERROR
Block height:
40095274
Block id:
d4c371d1eff0cb593228603a5151efd8c82bec09b80d092245b976ce0e4a4ac9
Timestamp:
Tuesday 1 November 2022 at 08:00:08 UTC
()
Proposer:
Authorizers:
Gas used:
46