Flow price: --
1f07e72806babd6254f4b33abaaf65063a2aeb1607d72be9a8f7e3ed88ce9bbc

Transaction

Hash: 1f07e72806babd6254f4b33abaaf65063a2aeb1607d72be9a8f7e3ed88ce9bbc
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1f07e72806babd6254f4b33abaaf65063a2aeb1607d72be9a8f7e3ed88ce9bbc: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:
1f07e72806babd6254f4b33abaaf65063a2aeb1607d72be9a8f7e3ed88ce9bbc
Status:
ERROR
Block height:
40002179
Block id:
2d2d71f5a63327d0f3adfdee13a97af649afb37fcdfbbee6bd81dcfaca2aba67
Timestamp:
Sunday 30 October 2022 at 18:38:42 UTC
()
Proposer:
Authorizers:
Gas used:
49