Message Oracle IMG-02003 - 2FF03 - incorrect color histogram feature specification

ERROR2FF03 - incorrect color histogram feature specification
CAUSEThere was a SQL/MM Still Image exception. This exception was caused by one of the following. - The specified color value was null or invalid. - The specified frequency value was null or invalid. - The input color and frequency arrays were not equal in size. - The SI_ColorList array attribute had reached the maximum size.
ACTIONEnsure that the following are true(as applicable to your case): - The color and frequency values are not null. - The SI_Color attribute values are integers from 0 to 255. - The frequency value is a double precision number from 0 to 100. - The color and frequency arrays are equal in size and the size of the arrays is less than the SI_MaxHistogramLength value listed in the SI_VALUES view in the SI_INFORMTN_SCHEMA. Refer to the Oracle Multimedia documentation for more information on constructing SI_ColorHistogram objects.