Flow price: --
0c8878a307fb0d7800af25707e7738ce5e6cfbc446337359e29b0f2072f28a36

Transaction

Hash: 0c8878a307fb0d7800af25707e7738ce5e6cfbc446337359e29b0f2072f28a36
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 0c8878a307fb0d7800af25707e7738ce5e6cfbc446337359e29b0f2072f28a36:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
0c8878a307fb0d7800af25707e7738ce5e6cfbc446337359e29b0f2072f28a36
Status:
ERROR
Block height:
39772741
Block id:
b53974699e052a1d789d1a47058d183fe88dabf91b41a12484f84b32fa52d074
Timestamp:
Wednesday 26 October 2022 at 22:36:31 UTC
()
Proposer:
Authorizers:
Gas used:
51