Flow price: --
d61fd8a50a7975a195355f3a4fe13b3e30f195e9580aa09808a58d1c7f9109f2

Transaction

Hash: d61fd8a50a7975a195355f3a4fe13b3e30f195e9580aa09808a58d1c7f9109f2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d61fd8a50a7975a195355f3a4fe13b3e30f195e9580aa09808a58d1c7f9109f2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d61fd8a50a7975a195355f3a4fe13b3e30f195e9580aa09808a58d1c7f9109f2
Status:
ERROR
Block height:
40099946
Block id:
86d339bdc5c679a8c366a0bf4454e308179ac36fa0e3913dac660a0cbed2fe93
Timestamp:
Tuesday 1 November 2022 at 09:53:47 UTC
()
Proposer:
Authorizers:
Gas used:
47