Flow price: --
1935f33af1af7445a1144b6da12c17af0eca62c72dc5844e038dcb4749b077b6

Transaction

Hash: 1935f33af1af7445a1144b6da12c17af0eca62c72dc5844e038dcb4749b077b6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1935f33af1af7445a1144b6da12c17af0eca62c72dc5844e038dcb4749b077b6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1935f33af1af7445a1144b6da12c17af0eca62c72dc5844e038dcb4749b077b6
Status:
ERROR
Block height:
40143026
Block id:
aae83b87986c1f74120a7a6aaf1bb05c99829567af9b3d9a38d3f7e47b151fd8
Timestamp:
Wednesday 2 November 2022 at 03:23:59 UTC
()
Proposer:
Authorizers:
Gas used:
50