Flow price: --
306929174e413bda6fd5a1f9b892259815b1aa907685837ac94b9ad8ed3c8066

Transaction

Hash: 306929174e413bda6fd5a1f9b892259815b1aa907685837ac94b9ad8ed3c8066
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 306929174e413bda6fd5a1f9b892259815b1aa907685837ac94b9ad8ed3c8066:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
306929174e413bda6fd5a1f9b892259815b1aa907685837ac94b9ad8ed3c8066
Status:
ERROR
Block height:
40104485
Block id:
90ff71115185b7b4f7d2df9e52a1d74efcdd6dd3ce57570f20034feafcaadf18
Timestamp:
Tuesday 1 November 2022 at 11:44:05 UTC
()
Proposer:
Authorizers:
Gas used:
47