Error: Invalid [length] should be a float value.Template has this: '...'

Description:

Error: Invalid [length] should be a float value.Template has this: ’…’

This means you entered a non-number value into the length column.

Solution:

Length must be:

1. A positive number
2. Can use 0-9
3. Can use . (period)

For more information please visit the Documentation Page.