Flow price: --
7cef9a0f16952c191f1091c819bbb21ad3f0cd1d568a0c9fab1cdf15eeadcc25

Transaction

Hash: 7cef9a0f16952c191f1091c819bbb21ad3f0cd1d568a0c9fab1cdf15eeadcc25
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7cef9a0f16952c191f1091c819bbb21ad3f0cd1d568a0c9fab1cdf15eeadcc25:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7cef9a0f16952c191f1091c819bbb21ad3f0cd1d568a0c9fab1cdf15eeadcc25
Status:
ERROR
Block height:
39862676
Block id:
2454718de71498494e85afe7e7ba1bde20b333dd36e755d475d2336f22998f93
Timestamp:
Friday 28 October 2022 at 10:53:08 UTC
()
Proposer:
Authorizers:
Gas used:
50