Flow price: --
e42f2fa33b409f43fe97598414cf18d1b40147e7209e12e861a1bf492c863b36

Transaction

Hash: e42f2fa33b409f43fe97598414cf18d1b40147e7209e12e861a1bf492c863b36
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e42f2fa33b409f43fe97598414cf18d1b40147e7209e12e861a1bf492c863b36:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e42f2fa33b409f43fe97598414cf18d1b40147e7209e12e861a1bf492c863b36
Status:
ERROR
Block height:
39979841
Block id:
1ce9caee8c8e741589ce59ea16de1a046d2d7b3406a3806e716756de37f1281e
Timestamp:
Sunday 30 October 2022 at 09:41:51 UTC
()
Proposer:
Authorizers:
Gas used:
47