I am getting below error, while loading data into old index.
[2022-05-19T23:38:51,354][ERROR][logstash.filters.ruby ][main][0c9121c6ce91a23303b26f6c1387d90c28a872d644b33037968422ec670a60c1] Ruby exception occurred: undefined method /' for "00.19":String {:class=>"NoMethodError", :backtrace=>[":1:in block in '", "/ELK_03/logstash-7.16.2/vendor/bundle/jruby/2.5.0/gems/logstash-filter-ruby-3.1.7/lib/logstash/filters/ruby.rb:93:in inline_script'", "/ELK_03/logstash-7.16.2/vendor/bundle/jruby/2.5.0/gems/logstash-filter-ruby-3.1.7/lib/logstash/filters/ruby.rb:86:in filter'", "/ELK_03/logstash-7.16.2/logstash-core/lib/logstash/filters/base.rb:159:in do_filter'", "/ELK_03/logstash-7.16.2/logstash-core/lib/logstash/filters/base.rb:178:in block in multi_filter'", "org/jruby/RubyArray.java:1821:in each'", "/ELK_03/logstash-7.16.2/logstash-core/lib/logstash/filters/base.rb:175:in multi_filter'", "org/logstash/config/ir/compiler/AbstractFilterDelegatorExt.java:134:in multi_filter'", "/ELK_03/logstash-7.16.2/logstash-core/lib/logstash/java_pipeline.rb:299:in block in start_workers'"]}
Please help.