Flow price: --
a70f76d445adcd50c570f9d23ccae4964c390c5d1221f02c12f2ba683cfa2798

Transaction

Hash: a70f76d445adcd50c570f9d23ccae4964c390c5d1221f02c12f2ba683cfa2798
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a70f76d445adcd50c570f9d23ccae4964c390c5d1221f02c12f2ba683cfa2798:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a70f76d445adcd50c570f9d23ccae4964c390c5d1221f02c12f2ba683cfa2798
Status:
ERROR
Block height:
39997090
Block id:
2959b11624cf0989b8a57ce5f1f31df289d8090d641cf832c39de41cb6e3bc38
Timestamp:
Sunday 30 October 2022 at 16:35:59 UTC
()
Proposer:
Authorizers:
Gas used:
59