Flow price: --
186f4b20e410a3d5b2a4ba9680e9842d77b537ce8c0dbe63ce5fccfb57a4b3fd

Transaction

Hash: 186f4b20e410a3d5b2a4ba9680e9842d77b537ce8c0dbe63ce5fccfb57a4b3fd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 186f4b20e410a3d5b2a4ba9680e9842d77b537ce8c0dbe63ce5fccfb57a4b3fd: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:
186f4b20e410a3d5b2a4ba9680e9842d77b537ce8c0dbe63ce5fccfb57a4b3fd
Status:
ERROR
Block height:
40083438
Block id:
ad43b0ab494c4144114520c9d4c1723bddff768e595fb922d21388f010f11e69
Timestamp:
Tuesday 1 November 2022 at 03:11:07 UTC
()
Proposer:
Authorizers:
Gas used:
47