That combination of options is invalid.
600pxor less, the internal padding between elements tightens.
y1abbreviation, for things like currency abbreviations or other short labels, up to a maximum of 10 characters. Anything longer than that should use the “Full” Y-Axis Label,
y1abbreviation, to avoid offsetting the alignment of the Y-Axis text.
Necessary code documentation can be found in the MBC repository.