Flow price: --
73aed9bf9d9ed2910dc728460a91635f130dbba1b9cb7e8a2fe3dc12b44b2bea

Transaction

Hash: 73aed9bf9d9ed2910dc728460a91635f130dbba1b9cb7e8a2fe3dc12b44b2bea
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 73aed9bf9d9ed2910dc728460a91635f130dbba1b9cb7e8a2fe3dc12b44b2bea: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:
73aed9bf9d9ed2910dc728460a91635f130dbba1b9cb7e8a2fe3dc12b44b2bea
Status:
ERROR
Block height:
40053868
Block id:
041b2cdc8fe37375a3b2cff188ab5856af87306c20f010cc323a107b373102a0
Timestamp:
Monday 31 October 2022 at 15:20:07 UTC
()
Proposer:
Authorizers:
Gas used:
47