Flow price: --
21f47831acfb123ffd2c02c6f0d10fbecfa9a3ccc87fe21aa0d45bb6d8c3f63c

Transaction

Hash: 21f47831acfb123ffd2c02c6f0d10fbecfa9a3ccc87fe21aa0d45bb6d8c3f63c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 21f47831acfb123ffd2c02c6f0d10fbecfa9a3ccc87fe21aa0d45bb6d8c3f63c: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:
21f47831acfb123ffd2c02c6f0d10fbecfa9a3ccc87fe21aa0d45bb6d8c3f63c
Status:
ERROR
Block height:
39761871
Block id:
6681d8d5ceb15f3159a49b7bff30bebc040e18585ec1c891d67d2de42899ffb0
Timestamp:
Wednesday 26 October 2022 at 18:14:09 UTC
()
Proposer:
Authorizers:
Gas used:
46