Comment 4 for bug 1255632

OK, here it is.

It matters which param_card is executed first. Simple renaming makes the difference. Here is what I get:
Scenario 1:
HEF_MEKD model couplings dependent on event kinematics:
 Matrix element = 7.6843276244561995e+21 GeV^-4
 -----------------------------------------------------------------------------
Opened slha file ../../Cards/param_card2.dat for reading
 Matrix element = 1.0168662873739916e-08 GeV^-4

Scenario 2:
HEF_MEKD model couplings dependent on event kinematics:
 Matrix element = 1.2856820372959568e-07 GeV^-4
 -----------------------------------------------------------------------------
Opened slha file ../../Cards/param_card2.dat for reading
 Matrix element = 7.6843276244561995e+21 GeV^-4

One calculation stays stable, while the other changes wrt execution order. In some cases, the effects are even more pronounced than here and can differ in many orders.