Flow price: --
f00868744558fb6c792825e3ecc962d0f06696c9d80b3e822a6e35fc7890f2f5

Transaction

Hash: f00868744558fb6c792825e3ecc962d0f06696c9d80b3e822a6e35fc7890f2f5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f00868744558fb6c792825e3ecc962d0f06696c9d80b3e822a6e35fc7890f2f5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f00868744558fb6c792825e3ecc962d0f06696c9d80b3e822a6e35fc7890f2f5
Status:
ERROR
Block height:
39756791
Block id:
e0df0e508bfb58cc7ba0187196f95e40eda3d00c4cfb3cdd982a868b39b40ad9
Timestamp:
Wednesday 26 October 2022 at 16:10:24 UTC
()
Proposer:
Authorizers:
Gas used:
47