Flow price: --
68442d3f089f11264d2860d83dd04ec4a3d5f188c923104eddfdd9b68157b812

Transaction

Hash: 68442d3f089f11264d2860d83dd04ec4a3d5f188c923104eddfdd9b68157b812
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 68442d3f089f11264d2860d83dd04ec4a3d5f188c923104eddfdd9b68157b812:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
68442d3f089f11264d2860d83dd04ec4a3d5f188c923104eddfdd9b68157b812
Status:
ERROR
Block height:
40121485
Block id:
bbec1220299eeaffce41400ef0d53de457a4e24f37782610271832e23d2c58f1
Timestamp:
Tuesday 1 November 2022 at 18:36:51 UTC
()
Proposer:
Authorizers:
Gas used:
50