Flow price: --
d226dc25f310b539020348e488c17d84da4d9d88a86e6dffb9f93a7bf6d81939

Transaction

Hash: d226dc25f310b539020348e488c17d84da4d9d88a86e6dffb9f93a7bf6d81939
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d226dc25f310b539020348e488c17d84da4d9d88a86e6dffb9f93a7bf6d81939:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d226dc25f310b539020348e488c17d84da4d9d88a86e6dffb9f93a7bf6d81939
Status:
ERROR
Block height:
39799478
Block id:
fc151eddc0e6dd51029cedab2aad425d4e0c7c2198b444a0f376b86f59c1b1d5
Timestamp:
Thursday 27 October 2022 at 09:23:02 UTC
()
Proposer:
Authorizers:
Gas used:
48