Flow price: --
90cb5f461225c59b273888f848c1eb1c5d45e9df37d982de41d01854d36f1fbe

Transaction

Hash: 90cb5f461225c59b273888f848c1eb1c5d45e9df37d982de41d01854d36f1fbe
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 90cb5f461225c59b273888f848c1eb1c5d45e9df37d982de41d01854d36f1fbe: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:
90cb5f461225c59b273888f848c1eb1c5d45e9df37d982de41d01854d36f1fbe
Status:
ERROR
Block height:
40092391
Block id:
b0336ad021f5aec3602a09a7e189ba7fd251ff557186bb3bd0452c27d0ab930c
Timestamp:
Tuesday 1 November 2022 at 06:50:13 UTC
()
Proposer:
Authorizers:
Gas used:
47