On this page, you will find more information about the most common causes and most relevant solutions for the Emarsys error '9003 - Reserved name'. Do you need help straight away? Visit our support page.
The emarsys eMarketing Systems documentation indicates that error code '9003 - Reserved name' is caused by the following problem: "The field name conflicts with an existing system field name.".
Do you think there is another cause for this error? Let others know in the comments.