Hi all,
RapidMiner raises an error when a macro value is in scientific notation:

The macro value is well recorded ...:

...and is used in an operator :

Is there a solution / workaround to this ?
Thanks for your explanations...
Regards,
Lionel
NB : The process :
<?xml version="1.0" encoding="UTF-8"?><process version="9.2.000-SNAPSHOT">
<context>
<input/>
<output/>
<macros/>
</context>
<operator activated="true" class="process" compatibility="9.2.000-SNAPSHOT" expanded="true" name="Process">
<parameter key="logverbosity" value="init"/>
<parameter key="random_seed" value="2001"/>
<parameter key="send_mail" value="never"/>
<parameter key="notification_email" value=""/>
<parameter key="process_duration_for_mail" value="30"/>
<parameter key="encoding" value="SYSTEM"/>
<process expanded="true">
<operator activated="true" class="operator_toolbox:create_exampleset" compatibility="1.7.000" expanded="true" height="68" name="Create ExampleSet" width="90" x="45" y="34">
<parameter key="generator_type" value="date_series"/>
<parameter key="number_of_examples" value="100"/>
<parameter key="use_stepsize" value="true"/>
<list key="function_descriptions"/>
<parameter key="add_id_attribute" value="false"/>
<list key="numeric_series_configuration"/>
<list key="date_series_configuration"/>
<list key="date_series_configuration (interval)">
<parameter key="date" value="2019-01-01 00:00:00.1.hour"/>
</list>
<parameter key="date_format" value="yyyy-MM-dd HH:mm:ss"/>
<parameter key="column_separator" value=","/>
<parameter key="parse_all_as_nominal" value="false"/>
<parameter key="decimal_point_character" value="."/>
<parameter key="trim_attribute_names" value="true"/>
</operator>
<operator activated="true" class="generate_id" compatibility="9.2.000-SNAPSHOT" expanded="true" height="82" name="Generate ID" width="90" x="179" y="34">
<parameter key="create_nominal_ids" value="false"/>
<parameter key="offset" value="0"/>
</operator>
<operator activated="true" class="generate_data" compatibility="9.2.000-SNAPSHOT" expanded="true" height="68" name="Generate Data" width="90" x="45" y="136">
<parameter key="target_function" value="random"/>
<parameter key="number_examples" value="100"/>
<parameter key="number_of_attributes" value="2"/>
<parameter key="attributes_lower_bound" value="-10.0"/>
<parameter key="attributes_upper_bound" value="10.0"/>
<parameter key="gaussian_standard_deviation" value="10.0"/>
<parameter key="largest_radius" value="10.0"/>
<parameter key="use_local_random_seed" value="false"/>
<parameter key="local_random_seed" value="1992"/>
<parameter key="datamanagement" value="double_array"/>
<parameter key="data_management" value="auto"/>
</operator>
<operator activated="true" class="generate_id" compatibility="9.2.000-SNAPSHOT" expanded="true" height="82" name="Generate ID (2)" width="90" x="179" y="136">
<parameter key="create_nominal_ids" value="false"/>
<parameter key="offset" value="0"/>
</operator>
<operator activated="true" breakpoints="after" class="concurrency:join" compatibility="9.2.000-SNAPSHOT" expanded="true" height="82" name="Join" width="90" x="313" y="85">
<parameter key="remove_double_attributes" value="true"/>
<parameter key="join_type" value="inner"/>
<parameter key="use_id_attribute_as_key" value="true"/>
<list key="key_attributes"/>
<parameter key="keep_both_join_attributes" value="false"/>
</operator>
<operator activated="true" class="extract_macro" compatibility="9.2.000-SNAPSHOT" expanded="true" height="68" name="Extract Macro" width="90" x="447" y="85">
<parameter key="macro" value="dateOffset"/>
<parameter key="macro_type" value="data_value"/>
<parameter key="statistics" value="average"/>
<parameter key="attribute_name" value="date"/>
<parameter key="example_index" value="1"/>
<list key="additional_macros"/>
</operator>
<operator activated="true" class="generate_macro" compatibility="9.2.000-SNAPSHOT" expanded="true" height="82" name="Generate Macro" width="90" x="581" y="85">
<list key="function_descriptions">
<parameter key="dateDiffOffset" value="date_diff(date_parse("01/01/1970"),date_parse(%{dateOffset}))"/>
</list>
</operator>
<operator activated="true" breakpoints="after" class="date_to_numerical" compatibility="9.2.000-SNAPSHOT" expanded="true" height="82" name="Date to Numerical" width="90" x="715" y="85">
<parameter key="attribute_name" value="date"/>
<parameter key="time_unit" value="day"/>
<parameter key="millisecond_relative_to" value="second"/>
<parameter key="second_relative_to" value="minute"/>
<parameter key="minute_relative_to" value="hour"/>
<parameter key="hour_relative_to" value="day"/>
<parameter key="day_relative_to" value="month"/>
<parameter key="week_relative_to" value="year"/>
<parameter key="month_relative_to" value="year"/>
<parameter key="quarter_relative_to" value="year"/>
<parameter key="half_year_relative_to" value="year"/>
<parameter key="year_relative_to" value="era"/>
<parameter key="keep_old_attribute" value="false"/>
</operator>
<operator activated="true" class="aggregate" compatibility="9.2.000-SNAPSHOT" expanded="true" height="82" name="Aggregate" width="90" x="849" y="34">
<parameter key="use_default_aggregation" value="false"/>
<parameter key="attribute_filter_type" value="all"/>
<parameter key="attribute" value=""/>
<parameter key="attributes" value=""/>
<parameter key="use_except_expression" value="false"/>
<parameter key="value_type" value="attribute_value"/>
<parameter key="use_value_type_exception" value="false"/>
<parameter key="except_value_type" value="time"/>
<parameter key="block_type" value="attribute_block"/>
<parameter key="use_block_type_exception" value="false"/>
<parameter key="except_block_type" value="value_matrix_row_start"/>
<parameter key="invert_selection" value="false"/>
<parameter key="include_special_attributes" value="false"/>
<parameter key="default_aggregation_function" value="average"/>
<list key="aggregation_attributes">
<parameter key="att1" value="average"/>
</list>
<parameter key="group_by_attributes" value="date"/>
<parameter key="count_all_combinations" value="false"/>
<parameter key="only_distinct" value="false"/>
<parameter key="ignore_missings" value="true"/>
</operator>
<operator activated="true" class="numerical_to_date" compatibility="9.2.000-SNAPSHOT" expanded="true" height="82" name="Numerical to Date" width="90" x="1117" y="34">
<parameter key="attribute_name" value="date"/>
<parameter key="keep_old_attribute" value="false"/>
<parameter key="time_offset" value="%{dateDiffOffset}"/>
</operator>
<operator activated="true" class="concurrency:join" compatibility="9.2.000-SNAPSHOT" expanded="true" height="82" name="Join (2)" width="90" x="1275" y="85">
<parameter key="remove_double_attributes" value="true"/>
<parameter key="join_type" value="inner"/>
<parameter key="use_id_attribute_as_key" value="false"/>
<list key="key_attributes">
<parameter key="date" value="date"/>
</list>
<parameter key="keep_both_join_attributes" value="false"/>
</operator>
<operator activated="true" class="set_role" compatibility="9.2.000-SNAPSHOT" expanded="true" height="82" name="Set Role" width="90" x="1448" y="85">
<parameter key="attribute_name" value="date"/>
<parameter key="target_role" value="id"/>
<list key="set_additional_roles"/>
</operator>
<connect from_op="Create ExampleSet" from_port="output" to_op="Generate ID" to_port="example set input"/>
<connect from_op="Generate ID" from_port="example set output" to_op="Join" to_port="left"/>
<connect from_op="Generate Data" from_port="output" to_op="Generate ID (2)" to_port="example set input"/>
<connect from_op="Generate ID (2)" from_port="example set output" to_op="Join" to_port="right"/>
<connect from_op="Join" from_port="join" to_op="Extract Macro" to_port="example set"/>
<connect from_op="Extract Macro" from_port="example set" to_op="Generate Macro" to_port="through 1"/>
<connect from_op="Generate Macro" from_port="through 1" to_op="Date to Numerical" to_port="example set input"/>
<connect from_op="Date to Numerical" from_port="example set output" to_op="Aggregate" to_port="example set input"/>
<connect from_op="Date to Numerical" from_port="original" to_op="Join (2)" to_port="left"/>
<connect from_op="Aggregate" from_port="example set output" to_op="Numerical to Date" to_port="example set input"/>
<connect from_op="Numerical to Date" from_port="example set output" to_op="Join (2)" to_port="right"/>
<connect from_op="Join (2)" from_port="join" to_op="Set Role" to_port="example set input"/>
<connect from_op="Set Role" from_port="example set output" to_port="result 1"/>
<portSpacing port="source_input 1" spacing="0"/>
<portSpacing port="sink_result 1" spacing="0"/>
<portSpacing port="sink_result 2" spacing="0"/>
</process>
</operator>
</process>