Flow price: --
2fd4996375b1bf995dcc00809b2a3f0f70fa5cedb1a9e2872c7f4f2b1d35d559

Transaction

Hash: 2fd4996375b1bf995dcc00809b2a3f0f70fa5cedb1a9e2872c7f4f2b1d35d559
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2fd4996375b1bf995dcc00809b2a3f0f70fa5cedb1a9e2872c7f4f2b1d35d559:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2fd4996375b1bf995dcc00809b2a3f0f70fa5cedb1a9e2872c7f4f2b1d35d559
Status:
ERROR
Block height:
39977932
Block id:
67c90dfdaf77a3aaf06339c808976e19157af97dc27fabf83a8f3c39be13da84
Timestamp:
Sunday 30 October 2022 at 08:56:06 UTC
()
Proposer:
Authorizers:
Gas used:
47