Flow price: --
e0b50bb3324e8ccec61362c3a354202a34f489b8f5f631e90d35c13e45ffb899

Transaction

Hash: e0b50bb3324e8ccec61362c3a354202a34f489b8f5f631e90d35c13e45ffb899
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e0b50bb3324e8ccec61362c3a354202a34f489b8f5f631e90d35c13e45ffb899:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e0b50bb3324e8ccec61362c3a354202a34f489b8f5f631e90d35c13e45ffb899
Status:
ERROR
Block height:
40125477
Block id:
c2be1d0d9dec6b5995a5cb0ddc7d63c57db2015ee52a6d81019e2526ce7e1b03
Timestamp:
Tuesday 1 November 2022 at 20:15:23 UTC
()
Proposer:
Authorizers:
Gas used:
50