Flow price: --
f24afc566ead4b64fa73a5a1b9c4c449c9127298ff96d6e8f8e33362eda32445

Transaction

Hash: f24afc566ead4b64fa73a5a1b9c4c449c9127298ff96d6e8f8e33362eda32445
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f24afc566ead4b64fa73a5a1b9c4c449c9127298ff96d6e8f8e33362eda32445:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f24afc566ead4b64fa73a5a1b9c4c449c9127298ff96d6e8f8e33362eda32445
Status:
ERROR
Block height:
40163916
Block id:
0eb97548fe43db918465bd045126cb61265ae24fce4524eca94700d869b8a16b
Timestamp:
Wednesday 2 November 2022 at 11:53:34 UTC
()
Proposer:
Authorizers:
Gas used:
48