in infragistics.ui.grid-de.js:
noFilterLabel: "Nein" should be noFilterLabel: "Kein" I think. => with tooltipTemplate: "${condition} Filter angewendet" => "Kein Filter angewendet" instead of "Nein Filter angewendet" (which is wrong).
Hello Max,
Thank you for contacting Infragistics!
We received your support request concerning the Infragistics i18n modules, and I have been assigned to assist you with this issue. Infragistics is dedicated to helping you solve this issue. Our team and I have done an initial review of your post and I will be researching further into this for you. I will get back to you as soon as I have more information for you.
Thank you for communicating this issue with us. I have asked our development team to look at this further and will update this forum post when I receive an update on this issue. Please let me know if I can be of further assistance.