[FIXED]: Psych::AliasesNotEnabled: Alias parsing was not enabled. To enable it, pass aliases: true to Psych::load or Psych::safe_load Etiquetas Ruby on Rails. Troubleshooting. Issue Issue 2024Q1 This happens on older versions of ruby and rails. Solved by downgrading psych: # Gemfilegem 'psych', '< 4' Please login or register to post a comment.