add IUserFriendlyError adapter for violation of check constraints
This way we get back the same error messages we get from the python
check.
Related to #5154406
* {
color: #000 !important;
}
div#popupLoginBox,
div#popupLoginBox,
img#logo, div.header,
#navColumnLeft, #navColumnRight,
#footer {
display: none
}
div#pageContent{
border: none;
}