Flow price: --
b8bc08ba64a116aa8120d601f7430403669e460ff0b2745ecb01727f9b670449

Transaction

Hash: b8bc08ba64a116aa8120d601f7430403669e460ff0b2745ecb01727f9b670449
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b8bc08ba64a116aa8120d601f7430403669e460ff0b2745ecb01727f9b670449:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b8bc08ba64a116aa8120d601f7430403669e460ff0b2745ecb01727f9b670449
Status:
ERROR
Block height:
39862676
Block id:
2454718de71498494e85afe7e7ba1bde20b333dd36e755d475d2336f22998f93
Timestamp:
Friday 28 October 2022 at 10:53:08 UTC
()
Proposer:
Authorizers:
Gas used:
46