Flow price: --
b9b0f8d8a13887d90a79c990cd04270ce0197b6a23941a55457aa8aade39748f

Transaction

Hash: b9b0f8d8a13887d90a79c990cd04270ce0197b6a23941a55457aa8aade39748f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b9b0f8d8a13887d90a79c990cd04270ce0197b6a23941a55457aa8aade39748f: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:
b9b0f8d8a13887d90a79c990cd04270ce0197b6a23941a55457aa8aade39748f
Status:
ERROR
Block height:
39733887
Block id:
590b345b773f5fb7f8ab17ab712d4f4e0a096e826b2f01787dca337a146684df
Timestamp:
Wednesday 26 October 2022 at 06:57:45 UTC
()
Proposer:
Authorizers:
Gas used:
46