Flow price: --
6dd3ebc2217397654a0ded485111a731c1a1c38eb47e383d2ca9790319fe4358

Transaction

Hash: 6dd3ebc2217397654a0ded485111a731c1a1c38eb47e383d2ca9790319fe4358
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6dd3ebc2217397654a0ded485111a731c1a1c38eb47e383d2ca9790319fe4358:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6dd3ebc2217397654a0ded485111a731c1a1c38eb47e383d2ca9790319fe4358
Status:
ERROR
Block height:
39933947
Block id:
b784520182f2b6608d2c14959694bdb6d7bd9e597c9814402372e25744e0f947
Timestamp:
Saturday 29 October 2022 at 15:25:36 UTC
()
Proposer:
Authorizers:
Gas used:
48