Flow price: --
4ae790d3012672f44e507ad4481e5ae3840c9553cc4c69aff2acc57b1a90bba8

Transaction

Hash: 4ae790d3012672f44e507ad4481e5ae3840c9553cc4c69aff2acc57b1a90bba8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4ae790d3012672f44e507ad4481e5ae3840c9553cc4c69aff2acc57b1a90bba8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4ae790d3012672f44e507ad4481e5ae3840c9553cc4c69aff2acc57b1a90bba8
Status:
ERROR
Block height:
40060029
Block id:
b27d691b0da42287c064906ffcef2a6d59cfa1062a5eb5268e287b912e2e3645
Timestamp:
Monday 31 October 2022 at 17:50:14 UTC
()
Proposer:
Authorizers:
Gas used:
48