https://www.infopathdev.com:443/forums/41.aspxIf you're not sure where to ask your question, ask it here. If necessary, our moderators will make sure it gets classified in the correct board.enCommunityServer 2007 SP3 (Build: 31118.962)https://www.infopathdev.com:443/forums/thread/97756.aspxTue, 03 Jun 2014 09:09:47 GMT033a2e2d-04e2-4a9d-be01-a4634161eefd:97756chrvi0https://www.infopathdev.com:443/forums/thread/97756.aspxhttps://www.infopathdev.com:443/forums/commentrss.aspx?SectionID=41&PostID=97756Hi, <br /><br /> we have a tricky InfoPath form which displays the &quot;The rules or code may be causing an infinite loop&quot; warning message in our environment, but otherwise the form seems to be working correctly. The strange thing is our customer (who is also the creator of this form) doesn&#39;t see this warning message at all (in spite of using the very same form) and on the other hand he has a form field validation problem which we don&#39;t experience at all: when the customer enters the form field with the validation (the field value must be 4-7 digits) and starts typing, he gets an InfoPath warning message that the value must have 4-7 digits after each entered character (digit). In our environment the same form field acts as expected - the warning message is only displayed if the form field value is not 4-7 digits and we try to leave the field. Until we try to leave the field we can type whatever we want into that field without any warning message. <br /><br /> Rings any bells? If anyone had any theory, please feel free to brainstorm a bit... <br /><br /> How is it possible that the same form can behave in such different ways? The only thing that have crossed my mind was perhaps a different behavior of different InfoPath versions towards the same form... We&#39;re using InfoPath 2010, I&#39;m not sure, which version of InfoPath the customer uses (we haven&#39;t received this info yet). <br /><br /> Still, I&#39;m quite confused why on earth would (using the same form) one environment complain about the &quot;The rules or code may be causing an infinite loop&quot; but worked fine otherwise, while the second is fine with the exception of having to deal with the &quot;form field must have 4-7 digits&quot; whenever any character is typed into the particular form field (until the condition of 4-7 digits is met). <br /><br /> Thanks.