how reproduced
- on the demo (https://demo.ametys.org/nightly-intranet-cms/intranet/index.html)
- create the form which is in comment (or a form with a non mandatory date)
- Put the standard form lifecycle
- Go to preview
- complete the form
- Go to the page https://demo.ametys.org/nightly-intranet-cms/preview/intranet/fr/ressources/formulaires-et-modeles.html
- and click on the form entry
He will get the error.
In the back office admin there is this error:
Caused by: java.time.format.DateTimeParseException: Text '' could not be parsed at index 0 at java.base/java.time.format.DateTimeFormatter#parseResolved0:2046 at java.base/java.time.format.DateTimeFormatter#parse:1948 at java.base/java.time.ZonedDateTime#parse:598 at org.ametys.plugins.forms.processing.AbstractFormFieldGenerator#_getReadableValue:138 at org.ametys.plugins.forms.processing.AbstractFormFieldGenerator#saxFieldValue:77 at org.ametys.plugins.forms.processing.AbstractFormFieldGenerator#saxFieldValue:63 at org.ametys.plugins.forms.workflow.FormEntryInformationGenerator#generate:94 at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline#processXMLPipeline:581 ... 91 more