Flow price: --
072e5fa529da1145d716b7af48e2c35e1dea069b0dd1d4ee9babbcd6da123867

Transaction

Hash: 072e5fa529da1145d716b7af48e2c35e1dea069b0dd1d4ee9babbcd6da123867
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 072e5fa529da1145d716b7af48e2c35e1dea069b0dd1d4ee9babbcd6da123867:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
072e5fa529da1145d716b7af48e2c35e1dea069b0dd1d4ee9babbcd6da123867
Status:
ERROR
Block height:
40111967
Block id:
d7c1b14270ad91a1fcd3e910049322ee4635cd6286bae188daae6b5aa8505adb
Timestamp:
Tuesday 1 November 2022 at 14:45:50 UTC
()
Proposer:
Authorizers:
Gas used:
47