Flow price: --
e33649a148b0f104c60cb213e4b518f92f0053b9d41b420f01f3a004d84fbb9f

Transaction

Hash: e33649a148b0f104c60cb213e4b518f92f0053b9d41b420f01f3a004d84fbb9f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e33649a148b0f104c60cb213e4b518f92f0053b9d41b420f01f3a004d84fbb9f: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:
e33649a148b0f104c60cb213e4b518f92f0053b9d41b420f01f3a004d84fbb9f
Status:
ERROR
Block height:
40152302
Block id:
f46739d5b37931d413a5721fe28ea10ad81bc8ac67102866d4172c5ad8f53a20
Timestamp:
Wednesday 2 November 2022 at 07:10:38 UTC
()
Proposer:
Authorizers:
Gas used:
47