Flow price: --
560bfc65f397851ebac450b351a57a02a5eec03ee89ac26f2b3677fcb729b358

Transaction

Hash: 560bfc65f397851ebac450b351a57a02a5eec03ee89ac26f2b3677fcb729b358
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 560bfc65f397851ebac450b351a57a02a5eec03ee89ac26f2b3677fcb729b358:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
560bfc65f397851ebac450b351a57a02a5eec03ee89ac26f2b3677fcb729b358
Status:
ERROR
Block height:
40121083
Block id:
ba3c513e2cd35077033907dcec3d7871dc467199b8c7282b2525daebbe76e709
Timestamp:
Tuesday 1 November 2022 at 18:27:27 UTC
()
Proposer:
Authorizers:
Gas used:
47