Flow price: --
c64e1251784cebf876288729b2e4a305a07ac8fd3f0bdcda059b89ba4536c9e1

Transaction

Hash: c64e1251784cebf876288729b2e4a305a07ac8fd3f0bdcda059b89ba4536c9e1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c64e1251784cebf876288729b2e4a305a07ac8fd3f0bdcda059b89ba4536c9e1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c64e1251784cebf876288729b2e4a305a07ac8fd3f0bdcda059b89ba4536c9e1
Status:
ERROR
Block height:
40168244
Block id:
54150a4e36484a1b58333c1308a15ea0d6d1ac43903288c049b7f31578c2caaf
Timestamp:
Wednesday 2 November 2022 at 13:37:51 UTC
()
Proposer:
Authorizers:
Gas used:
46