Flow price: --
563121d3e122a5e360832fda738f9fddeb71169a0aee6f02d0f8aa910275a48e

Transaction

Hash: 563121d3e122a5e360832fda738f9fddeb71169a0aee6f02d0f8aa910275a48e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 563121d3e122a5e360832fda738f9fddeb71169a0aee6f02d0f8aa910275a48e: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:
563121d3e122a5e360832fda738f9fddeb71169a0aee6f02d0f8aa910275a48e
Status:
ERROR
Block height:
40136624
Block id:
db9e6cde6b7fda9bbfd3c216dc6a8dd7459b49e5cba017b0bdbc395b5a2d27d5
Timestamp:
Wednesday 2 November 2022 at 00:48:26 UTC
()
Proposer:
Authorizers:
Gas used:
46