{"id":164532,"date":"2023-03-17T08:58:00","date_gmt":"2023-03-17T08:58:00","guid":{"rendered":"\/knowledge\/forums\/topic\/how-to-fix-wb-project-when-error-about-invalid-date-is-given-like-system-formatexception-string-was-not-recognized-as-a-valid-datetime\/"},"modified":"2023-07-31T12:25:45","modified_gmt":"2023-07-31T12:25:45","slug":"how-to-fix-wb-project-when-error-about-invalid-date-is-given-like-system-formatexception-string-was-not-recognized-as-a-valid-datetime","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-fix-wb-project-when-error-about-invalid-date-is-given-like-system-formatexception-string-was-not-recognized-as-a-valid-datetime\/","title":{"rendered":"How to fix WB project when error about invalid date is given, like: System.FormatException: String was not recognized as a valid DateTime?"},"content":{"rendered":"<p>This error can occur when a WB project including BladeGen is setup on a non-English operating system and then transferred to an English operating system.  The error message then only contains this line, which points to the Blade Design: &#8212; Ansys.Core.DataModel.DataObjects.Persistence.DataObjectPersistenceException: Error reading data object \/Blade Design\/TurboGeometryProperties:Blade Design Source: Value 01.01.0001 00.00.00 is not valid for field LastModified. String was not recognized as a valid DateTime.  The issue is about the wrong entry        Value 01.01.0001 00.00.00 for the date.  This can be corrected in the file      designPoint.wbdp of the WB project. Search for the wrong entry      &#8220;LastModified&#8221;: &#8220;01.01.0001 00.00.00&#8221; and replace it with a correct one, like:     &#8220;LastModified&#8221;: &#8220;01.01.0001 00:00:00&#8221;  Then re-open the WB-project.<\/p>\n","protected":false},"template":"","class_list":["post-164532","topic","type-topic","status-publish","hentry","topic-tag-18-2","topic-tag-bladegen","topic-tag-blademodeler","topic-tag-fluid-dynamics","topic-tag-rotating-flow-turbomachinery","topic-tag-workbench"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"This error can occur when a WB project including BladeGen is setup on a non-English operating system and then transferred to an English operating system. The error message then only contains this line, which points to the Blade Design: --- Ansys.Core.DataModel.DataObjects.Persistence.DataObjectPersistenceException: Error reading data object \/Blade Design\/TurboGeometryProperties:Blade Design Source: Value 01.01.0001 00.00.00 is not valid\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-fix-wb-project-when-error-about-invalid-date-is-given-like-system-formatexception-string-was-not-recognized-as-a-valid-datetime\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Knowledge | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"How to fix WB project when error about invalid date is given, like: System.FormatException: String was not recognized as a valid DateTime? | Ansys Knowledge\" \/>\n\t\t<meta property=\"og:description\" content=\"This error can occur when a WB project including BladeGen is setup on a non-English operating system and then transferred to an English operating system. The error message then only contains this line, which points to the Blade Design: --- Ansys.Core.DataModel.DataObjects.Persistence.DataObjectPersistenceException: Error reading data object \/Blade Design\/TurboGeometryProperties:Blade Design Source: Value 01.01.0001 00.00.00 is not valid\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/how-to-fix-wb-project-when-error-about-invalid-date-is-given-like-system-formatexception-string-was-not-recognized-as-a-valid-datetime\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-03-17T08:58:00+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-07-31T12:25:45+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"How to fix WB project when error about invalid date is given, like: System.FormatException: String was not recognized as a valid DateTime? | Ansys Knowledge\" \/>\n\t\t<meta name=\"twitter:description\" content=\"This error can occur when a WB project including BladeGen is setup on a non-English operating system and then transferred to an English operating system. The error message then only contains this line, which points to the Blade Design: --- Ansys.Core.DataModel.DataObjects.Persistence.DataObjectPersistenceException: Error reading data object \/Blade Design\/TurboGeometryProperties:Blade Design Source: Value 01.01.0001 00.00.00 is not valid\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/how-to-fix-wb-project-when-error-about-invalid-date-is-given-like-system-formatexception-string-was-not-recognized-as-a-valid-datetime\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"position\":2,\"name\":\"Topics\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/workbench\\\/#listItem\",\"name\":\"workbench\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/workbench\\\/#listItem\",\"position\":3,\"name\":\"workbench\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/workbench\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/how-to-fix-wb-project-when-error-about-invalid-date-is-given-like-system-formatexception-string-was-not-recognized-as-a-valid-datetime\\\/#listItem\",\"name\":\"How to fix WB project when error about invalid date is given, like: System.FormatException: String was not recognized as a valid DateTime?\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/how-to-fix-wb-project-when-error-about-invalid-date-is-given-like-system-formatexception-string-was-not-recognized-as-a-valid-datetime\\\/#listItem\",\"position\":4,\"name\":\"How to fix WB project when error about invalid date is given, like: System.FormatException: String was not recognized as a valid DateTime?\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/workbench\\\/#listItem\",\"name\":\"workbench\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/#organization\",\"name\":\"Ansys Knowledge\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/how-to-fix-wb-project-when-error-about-invalid-date-is-given-like-system-formatexception-string-was-not-recognized-as-a-valid-datetime\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/how-to-fix-wb-project-when-error-about-invalid-date-is-given-like-system-formatexception-string-was-not-recognized-as-a-valid-datetime\\\/\",\"name\":\"How to fix WB project when error about invalid date is given, like: System.FormatException: String was not recognized as a valid DateTime? | Ansys Knowledge\",\"description\":\"This error can occur when a WB project including BladeGen is setup on a non-English operating system and then transferred to an English operating system. 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