Flow price: --
bf437cf83cebdf421912ce68515b49fbfa2aa95cf4c1765f8947c65741db3af6

Transaction

Hash: bf437cf83cebdf421912ce68515b49fbfa2aa95cf4c1765f8947c65741db3af6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bf437cf83cebdf421912ce68515b49fbfa2aa95cf4c1765f8947c65741db3af6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
bf437cf83cebdf421912ce68515b49fbfa2aa95cf4c1765f8947c65741db3af6
Status:
ERROR
Block height:
40161738
Block id:
9e548952dfcb1aaec930facfce8a00160f998648bd877830ec03653cb1ba98cc
Timestamp:
Wednesday 2 November 2022 at 11:00:43 UTC
()
Proposer:
Authorizers:
Gas used:
46