irb(main):001:0> a=1Traceback (most recent call last):	38: from /Users/jnito/.rbenv/versions/2.7.3/bin/irb:23:in `<main>'	37: from /Users/jnito/.rbenv/versions/2.7.3/bin/irb:23:in `load'	36: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/exe/irb:11:in `<top (required)>'	35: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/lib/irb.rb:409:in `start'	34: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/lib/irb.rb:480:in `run'	33: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/lib/irb.rb:480:in `catch'	32: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/lib/irb.rb:481:in `block in run'	31: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/lib/irb.rb:547:in `eval_input'	30: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/lib/irb/ruby-lex.rb:232:in `each_top_level_statement'	29: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/lib/irb/ruby-lex.rb:232:in `catch'	28: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/lib/irb/ruby-lex.rb:233:in `block in each_top_level_statement'	27: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/lib/irb/ruby-lex.rb:233:in `loop'	26: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/lib/irb/ruby-lex.rb:236:in `block (2 levels) in each_top_level_statement'	25: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/lib/irb/ruby-lex.rb:267:in `lex'	24: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/lib/irb.rb:528:in `block in eval_input'	23: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/lib/irb.rb:751:in `signal_status'	22: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/lib/irb.rb:529:in `block (2 levels) in eval_input'	21: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/lib/irb/input-method.rb:319:in `gets'	20: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/forwardable.rb:235:in `readmultiline'	19: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/forwardable.rb:235:in `readmultiline'	18: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline.rb:175:in `readmultiline'	17: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline.rb:238:in `inner_readline'	16: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline.rb:238:in `loop'	15: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline.rb:239:in `block in inner_readline'	14: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline.rb:270:in `read_io'	13: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline.rb:270:in `loop'	12: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline.rb:311:in `block in read_io'	11: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline.rb:240:in `block (2 levels) in inner_readline'	10: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline.rb:240:in `each' 9: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline.rb:241:in `block (3 levels) in inner_readline' 8: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline/line_editor.rb:834:in `input_key' 7: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline/line_editor.rb:792:in `normal_char' 6: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline/line_editor.rb:757:in `process_key' 5: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline/line_editor.rb:708:in `run_for_operators' 4: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline/line_editor.rb:758:in `block in process_key' 3: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline/line_editor.rb:758:in `call' 2: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline/line_editor.rb:1606:in `ed_newline' 1: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline/line_editor.rb:961:in `confirm_multiline_termination' /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/lib/irb/ruby-lex.rb:50:in `block in set_input': undefined method `in_pasting?' for Reline::ANSI:Class (NoMethodError) 

irb(main):001:0> irb_infoTraceback (most recent call last):	38: from /Users/jnito/.rbenv/versions/2.7.3/bin/irb:23:in `<main>'	37: from /Users/jnito/.rbenv/versions/2.7.3/bin/irb:23:in `load'	36: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/exe/irb:11:in `<top (required)>'	35: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/lib/irb.rb:409:in `start'	34: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/lib/irb.rb:480:in `run'	33: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/lib/irb.rb:480:in `catch'	32: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/lib/irb.rb:481:in `block in run'	31: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/lib/irb.rb:547:in `eval_input'	30: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/lib/irb/ruby-lex.rb:232:in `each_top_level_statement'	29: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/lib/irb/ruby-lex.rb:232:in `catch'	28: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/lib/irb/ruby-lex.rb:233:in `block in each_top_level_statement'	27: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/lib/irb/ruby-lex.rb:233:in `loop'	26: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/lib/irb/ruby-lex.rb:236:in `block (2 levels) in each_top_level_statement'	25: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/lib/irb/ruby-lex.rb:267:in `lex'	24: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/lib/irb.rb:528:in `block in eval_input'	23: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/lib/irb.rb:751:in `signal_status'	22: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/lib/irb.rb:529:in `block (2 levels) in eval_input'	21: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/lib/irb/input-method.rb:319:in `gets'	20: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/forwardable.rb:235:in `readmultiline'	19: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/forwardable.rb:235:in `readmultiline'	18: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline.rb:175:in `readmultiline'	17: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline.rb:238:in `inner_readline'	16: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline.rb:238:in `loop'	15: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline.rb:239:in `block in inner_readline'	14: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline.rb:270:in `read_io'	13: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline.rb:270:in `loop'	12: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline.rb:311:in `block in read_io'	11: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline.rb:240:in `block (2 levels) in inner_readline'	10: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline.rb:240:in `each' 9: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline.rb:241:in `block (3 levels) in inner_readline' 8: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline/line_editor.rb:834:in `input_key' 7: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline/line_editor.rb:792:in `normal_char' 6: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline/line_editor.rb:757:in `process_key' 5: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline/line_editor.rb:708:in `run_for_operators' 4: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline/line_editor.rb:758:in `block in process_key' 3: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline/line_editor.rb:758:in `call' 2: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline/line_editor.rb:1606:in `ed_newline' 1: from /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/2.7.0/reline/line_editor.rb:961:in `confirm_multiline_termination' /Users/jnito/.rbenv/versions/2.7.3/lib/ruby/gems/2.7.0/gems/irb-1.3.5/lib/irb/ruby-lex.rb:50:in `block in set_input': undefined method `in_pasting?' for Reline::ANSI:Class (NoMethodError) 

➜ ~ ruby -v ruby 2.7.3p183 (2021-04-05 revision 6847ee089d) [arm64-darwin20] ➜ ~ irb -v irb 1.3.5 (2021-04-03) 

➜ ~ cat ~/.irbrc cat: /Users/jnito/.irbrc: No such file or directory ➜ ~ cat ~/.inputrc cat: /Users/jnito/.inputrc: No such file or directory