Whoops while IN_DEV

[Sonya*]

Attempt to create a manual payment method on localhost and IN_DEV ends with

Whoops\Exception\ErrorException: Undefined array key "m_validationfile" (2)
#0 xxxx\applications\nexus\sources\Gateway\Gateway.php(213): Whoops\Run->handleError(2, 'Undefined array...', 'xxx...', 213)

 

[Daniel F]

This was fixed for 4.7.1