> ## Documentation Index
> Fetch the complete documentation index at: https://docs.ntop.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Tolerance Error

## No mesh entities were found within the given tolerance to the implicit body. Please try either increasing the tolerance or using a different body

### About the error

**Issue:** This error occurs when you create a boundary or region, and your input selection doesn’t find any mesh entities.

**Applies to:**

* FE Boundary by Flood Fill
* FE Boundary by Body
* FE Region by Body

**Cause:**

* The input parameters couldn’t find mesh entities to create a boundary or region. You need at least one mesh entity to create a boundary or region.

**Solution:**

* Check and adjust the origin, angle, direction, or body position to select mesh entities.

***