# Contact overlap too great on structural node interface

**URL:** <https://forum.itascainternational.com/t/contact-overlap-too-great-on-structural-node-interface/1716>\
**Category:** UDEC\
**Created:** [September 25, 2024, 12:00pm UTC](https://forum.itascainternational.com/t/contact-overlap-too-great-on-structural-node-interface/1716 "2024-09-25T12:00:50Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Vijaybhvs](https://avatars.discourse-cdn.com/v4/letter/v/f0a364/32.png) [@Vijaybhvs](https://forum.itascainternational.com/u/Vijaybhvs)\
**Post date:** [September 25, 2024, 12:00pm UTC](https://forum.itascainternational.com/t/contact-overlap-too-great-on-structural-node-interface/1716/1 "2024-09-25T12:00:50Z")

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While deleting the blocks and applying either liner or rockbolts as support the message “Contact overlap too great on structural node interface” comes and the program stops while cycling. How to resolve this ?

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**Author:** ![udecsupport](https://avatars.discourse-cdn.com/v4/letter/u/e9c0ed/32.png) [@udecsupport](https://forum.itascainternational.com/u/udecsupport)\
**Post date:** [October 2, 2024, 1:50pm UTC](https://forum.itascainternational.com/t/contact-overlap-too-great-on-structural-node-interface/1716/2 "2024-10-02T13:50:36Z")

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Have you tried increasing the normal stiffness for the node interface properties?