Steps to replicate the issue (include links if applicable):
Create a new test here:
https://wikifunctions.beta.wmflabs.org/w/index.php?title=Special:CreateObject&uselang=en&zid=Z20&Z20K1=Z802
What happens?:
Fails with Unspecified error
In devtools console:
Failed to load resource: the server responded with a status of 400 ()
In network tab:
{
"error": {
"code": "wikilambda-zerror",
"info": "Error of type Z500",
"title": "Unspecified error",
"message": "Unspecified error",
"zerror": {
"Z1K1": "Z5",
"Z5K1": "Z500",
"Z5K2": {
"Z1K1": {
"Z1K1": "Z7",
"Z7K1": "Z885",
"Z885K1": "Z500"
},
"K1": "<p>Could not create a new page.\nIt already exists.\n</p>"
}
},
"labelled": {
"type": "Error",
"error type": "Unspecified error",
"error value": {
"type": {
"type": "Function call",
"function": "Errortype to type",
"errortype": "Unspecified error"
},
"error information": "<p>Could not create a new page.\nIt already exists.\n</p>"
}
},
"*": "See https://wikifunctions.beta.wmflabs.org/w/api.php for API usage. Subscribe to the mediawiki-api-announce mailing list at <https://lists.wikimedia.org/postorius/lists/mediawiki-api-announce.lists.wikimedia.org/> for notice of API deprecations and breaking changes."
},
"servedby": "deployment-mediawiki11"
}What should have happened instead?:
Test should be successfully created
Software version (on Special:Version page; skip for WMF-hosted wikis like Wikipedia):
1.43.0-alpha
Other information (browser name/version, screenshots, etc.):
betacluster, chrome
| gif of failure | screenshot |

