Flow price: --
59451096580c9fd8dd96fef5b0e0a8f69ae287ff6929175d3d160b6c15f30e12

Transaction

Hash: 59451096580c9fd8dd96fef5b0e0a8f69ae287ff6929175d3d160b6c15f30e12
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 59451096580c9fd8dd96fef5b0e0a8f69ae287ff6929175d3d160b6c15f30e12:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
59451096580c9fd8dd96fef5b0e0a8f69ae287ff6929175d3d160b6c15f30e12
Status:
ERROR
Block height:
40115844
Block id:
e4210b15fe29776e02e32e06aa2c04d73481af37f865061f1afeb29ad94e18a2
Timestamp:
Tuesday 1 November 2022 at 16:20:00 UTC
()
Proposer:
Authorizers:
Gas used:
51