Flow price: --
49c3914e3c221eea65daf11769cd5bbc8104e7de54cec04b478cfaf1a9995198

Transaction

Hash: 49c3914e3c221eea65daf11769cd5bbc8104e7de54cec04b478cfaf1a9995198
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 49c3914e3c221eea65daf11769cd5bbc8104e7de54cec04b478cfaf1a9995198:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
49c3914e3c221eea65daf11769cd5bbc8104e7de54cec04b478cfaf1a9995198
Status:
ERROR
Block height:
40032691
Block id:
164d28abeee114962fec59154667514eafd2770c2b63bb9d1a3fd8ea3ada9b9c
Timestamp:
Monday 31 October 2022 at 06:48:32 UTC
()
Proposer:
Authorizers:
Gas used:
50