Flow price: --
640fde52b3508116420aaf2d1904e2105411d9ee057fad7f9295190090a6b222

Transaction

Hash: 640fde52b3508116420aaf2d1904e2105411d9ee057fad7f9295190090a6b222
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 640fde52b3508116420aaf2d1904e2105411d9ee057fad7f9295190090a6b222:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
640fde52b3508116420aaf2d1904e2105411d9ee057fad7f9295190090a6b222
Status:
ERROR
Block height:
39991146
Block id:
3f26d2951d3ae8dac00890956b66e7fdafd2a6130eb8d5a44217a6a4bc71b40e
Timestamp:
Sunday 30 October 2022 at 14:12:57 UTC
()
Proposer:
Authorizers:
Gas used:
48