Flow price: --
f262ff30e31b757bab6586a11a8af1398b6173be29f1ecdcf34a8117bd79d7ad

Transaction

Hash: f262ff30e31b757bab6586a11a8af1398b6173be29f1ecdcf34a8117bd79d7ad
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f262ff30e31b757bab6586a11a8af1398b6173be29f1ecdcf34a8117bd79d7ad: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:
f262ff30e31b757bab6586a11a8af1398b6173be29f1ecdcf34a8117bd79d7ad
Status:
ERROR
Block height:
39921517
Block id:
99cbf3c67b8a7ec95be704238ebdf1fb39682a78d47ae50b21b7d384a52a20dd
Timestamp:
Saturday 29 October 2022 at 10:23:23 UTC
()
Proposer:
Authorizers:
Gas used:
46