Flow price: --
70017c7ec564c2c6b7a3b4ccb60050bc4665a2f1c4ddf27ecb5f5eefbbe81e19

Transaction

Hash: 70017c7ec564c2c6b7a3b4ccb60050bc4665a2f1c4ddf27ecb5f5eefbbe81e19
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 70017c7ec564c2c6b7a3b4ccb60050bc4665a2f1c4ddf27ecb5f5eefbbe81e19:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
70017c7ec564c2c6b7a3b4ccb60050bc4665a2f1c4ddf27ecb5f5eefbbe81e19
Status:
ERROR
Block height:
39978444
Block id:
e15cbca67f3a6358ddc33f95a1cb7be8d99165fcd69eba3981f9fae5086b0229
Timestamp:
Sunday 30 October 2022 at 09:08:28 UTC
()
Proposer:
Authorizers:
Gas used:
47