Body: <p>Trying to import a small set of contacts with relationships, I got this error: <code>Invalid (Error Code: 4)</code>. We have checked all fields and couldn't identify any thing special.</p>
  <p>Any idea? BTW is there a list of error codes?</p>
  <p>An example of the set of data: <a href="https://cloud.all-in-group.fr/index.php/s/WzkH5exL2rNj3mR" rel="nofollow noreferrer">import file</a></p>
  
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2022-06-30T16:51:26.643Z
Comments.Text: It may help for us to see a sample of your spreadsheet (columns, cells).
Comments.UserDisplayName: Kristine
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2022-07-01T10:15:19.740Z
Comments.Text: I've edited my post with a link to the file
Comments.UserDisplayName: Guillaume Sorel
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2022-07-01T11:11:49.430Z
Comments.Text: it seems to be a regression in 5.50.X
Comments.UserDisplayName: Guillaume Sorel
Tags: <import>
Title: What is 'Invalid (Error Code: 4)'?
ThreadText: # What is 'Invalid (Error Code: 4)'?
  
  (Asked by: username_0 on 2022-06-30)
  
  Trying to import a small set of contacts with relationships, I got this error: `Invalid (Error Code: 4)`. We have checked all fields and couldn't identify any thing special.
  
  Any idea? BTW is there a list of error codes?
  
  An example of the set of data: [import file](https://cloud.all-in-group.fr/index.php/s/WzkH5exL2rNj3mR)
  
  **Tags:** import
  
  > **Comments:**
  > **username_1**: It may help for us to see a sample of your spreadsheet (columns, cells).  
  > **username_0**: I've edited my post with a link to the file  
  > **username_0**: it seems to be a regression in 5.50.X  
  
  ---
  
  ## 0 answers
  
  