Flow price: --
c44ec7991a7d4217c08a6d5b45539cf985e1f925a3774684b971274b21d119c3

Transaction

Hash: c44ec7991a7d4217c08a6d5b45539cf985e1f925a3774684b971274b21d119c3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c44ec7991a7d4217c08a6d5b45539cf985e1f925a3774684b971274b21d119c3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c44ec7991a7d4217c08a6d5b45539cf985e1f925a3774684b971274b21d119c3
Status:
ERROR
Block height:
39857873
Block id:
bbf5761aeb76cfb2992467a8a7457e63fa0038de53507ff1cdead01aa5e1beb7
Timestamp:
Friday 28 October 2022 at 08:57:51 UTC
()
Proposer:
Authorizers:
Gas used:
47