Flow price: --
e246f6a789019952f81e0f6ce40e5c9461d962f16e46c5d596c2a5110d405b52

Transaction

Hash: e246f6a789019952f81e0f6ce40e5c9461d962f16e46c5d596c2a5110d405b52
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e246f6a789019952f81e0f6ce40e5c9461d962f16e46c5d596c2a5110d405b52:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e246f6a789019952f81e0f6ce40e5c9461d962f16e46c5d596c2a5110d405b52
Status:
ERROR
Block height:
40170318
Block id:
8145f6443af94533252ea2fd18411da421bb041a39bff9837cc79a7c3fe8a781
Timestamp:
Wednesday 2 November 2022 at 14:28:13 UTC
()
Proposer:
Authorizers:
Gas used:
50