B W - 2015-09-18

When toggling around B3 bit BasicButtons to set /reset a T4 RTO timer
I get the error:
ArgumentOutofRangeException was unhandled
AdvancedHMIDrivers > AllenbradleySLCMicro > ExtractData
result(i2) = Convert.ToString(BitConverter.ToInt16(ReturnedData, j))

Everything is working fine otherwise.
They do work if done slowly.
Seem like a timing error based on how fast I change them.
I varied the Minimum Hold Time to see is that would help.
Is there a prefered solution?
I am using:
AB MicroLogix 1000 PLC
AdvancedHMI Version 3.98
DF1Com1