Flow price: --
d0837dcaad42439c0a957d5a90ee78cb742502da1e46ad17ddb5f2bc46f0f4c8

Transaction

Hash: d0837dcaad42439c0a957d5a90ee78cb742502da1e46ad17ddb5f2bc46f0f4c8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d0837dcaad42439c0a957d5a90ee78cb742502da1e46ad17ddb5f2bc46f0f4c8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d0837dcaad42439c0a957d5a90ee78cb742502da1e46ad17ddb5f2bc46f0f4c8
Status:
ERROR
Block height:
40055206
Block id:
14ad316f01d146e1f81cf3fabb146526fa685b45c29914918706b2c32115fb9d
Timestamp:
Monday 31 October 2022 at 15:52:34 UTC
()
Proposer:
Authorizers:
Gas used:
49