Flow price: --
c94c5e3d01d180ea33a28823854cb9b9324686002c6a0dc5bf36d2efc38e5d97

Transaction

Hash: c94c5e3d01d180ea33a28823854cb9b9324686002c6a0dc5bf36d2efc38e5d97
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c94c5e3d01d180ea33a28823854cb9b9324686002c6a0dc5bf36d2efc38e5d97:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c94c5e3d01d180ea33a28823854cb9b9324686002c6a0dc5bf36d2efc38e5d97
Status:
ERROR
Block height:
40100298
Block id:
678fd9b5196b8cf4e9883697cbf7cf9f96bc777d1014a5757dbd0ae823c76cec
Timestamp:
Tuesday 1 November 2022 at 10:02:27 UTC
()
Proposer:
Authorizers:
Gas used:
48