Flow price: --
8b795f05e991accf611f04c5cd52592ea1d245ea2de7c766f72b2e15684f773c

Transaction

Hash: 8b795f05e991accf611f04c5cd52592ea1d245ea2de7c766f72b2e15684f773c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8b795f05e991accf611f04c5cd52592ea1d245ea2de7c766f72b2e15684f773c: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:
8b795f05e991accf611f04c5cd52592ea1d245ea2de7c766f72b2e15684f773c
Status:
ERROR
Block height:
40121826
Block id:
200dd8dbc564fdd9c4f56e9f3ea7e48b5ddf1eaec0b28a3bda4f89fddeea1450
Timestamp:
Tuesday 1 November 2022 at 18:45:28 UTC
()
Proposer:
Authorizers:
Gas used:
48