The ampersand (&) character is not allowed.

[brambeekman]

IEX : At line:1 char:16

• (echo bff3dbcb & cd)

•            ~
  

The ampersand (&) character is not allowed. The & operator is reserved for future use; wrap an ampersand in double
quotation marks ("&") to pass it as part of a string.
At line:1 char:256

• ... -ne 'None') {$r=I''E''X $c -ErrorAction Stop -ErrorVariable e;$r=Out- ...

•                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

  • CategoryInfo : ParserError: (:) [Invoke-Expression], ParseException
  • FullyQualifiedErrorId : AmpersandNotAllowed,Microsoft.PowerShell.Commands.InvokeExpressionCommand

[brambeekman]

I made a pull request for this issue