Flow price: --
e3f547a4543955b587d38f987ca7f3fd99c2bf2d31f2393c02ad7d5a1518ad33

Transaction

Hash: e3f547a4543955b587d38f987ca7f3fd99c2bf2d31f2393c02ad7d5a1518ad33
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e3f547a4543955b587d38f987ca7f3fd99c2bf2d31f2393c02ad7d5a1518ad33:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e3f547a4543955b587d38f987ca7f3fd99c2bf2d31f2393c02ad7d5a1518ad33
Status:
ERROR
Block height:
40100589
Block id:
8f798a7e561d21e507e6adc7aea97e6d30fbd8a870e174a7c215b6f264ceae56
Timestamp:
Tuesday 1 November 2022 at 10:09:18 UTC
()
Proposer:
Authorizers:
Gas used:
52