Flow price: --
d75280d9a5c56473c83cd509c10874965e1f4b62571b091864f9e9e637c8d68b

Transaction

Hash: d75280d9a5c56473c83cd509c10874965e1f4b62571b091864f9e9e637c8d68b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d75280d9a5c56473c83cd509c10874965e1f4b62571b091864f9e9e637c8d68b: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:
d75280d9a5c56473c83cd509c10874965e1f4b62571b091864f9e9e637c8d68b
Status:
ERROR
Block height:
39975676
Block id:
54694adadcd3a4cd0e57e9fe73653fa069b0f82acbe9795841be50371b530351
Timestamp:
Sunday 30 October 2022 at 08:02:06 UTC
()
Proposer:
Authorizers:
Gas used:
46