Flow price: --
d0955758e2ba9875f9117c01716740783f220fb3cec3e4c5e673fcf985d8acd4

Transaction

Hash: d0955758e2ba9875f9117c01716740783f220fb3cec3e4c5e673fcf985d8acd4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d0955758e2ba9875f9117c01716740783f220fb3cec3e4c5e673fcf985d8acd4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d0955758e2ba9875f9117c01716740783f220fb3cec3e4c5e673fcf985d8acd4
Status:
ERROR
Block height:
40107333
Block id:
17db35accb9353b2e63acb02d986d18723c52bc8dd965ddb00b55b981516fd4b
Timestamp:
Tuesday 1 November 2022 at 12:53:13 UTC
()
Proposer:
Authorizers:
Gas used:
46