section[ @title[Generic Errors] error_table[ ref_error[Invalid alias: macro '\.em[macro_name]' already exists| The alias name supplied to the @macro_alias@ method has already been used for another macro or alias. ] ref_error[Undefined macro '\.em[macro_name]'| The document contains a macro that does not exist, i.e. it is not a standard or used-defined =>[#macro_ref|Glyph macro or alias]. ] ref_error[An error occurred when generating _file-name_.pdf| Returned if Prince could not generate the PDF file or if Prince is not installed. Normally, Prince provides additional details on the specific error(s). ] ref_error[Glyph cannot generate PDF. Please specify a valid tools.pdf_generator setting| Returned if the $>[tools.pdf_generator] has not be set to a valid PDF renderer. Currently, the only supported value for this setting is code[prince]. ] ref_error[The current directory is not a valid Glyph project| Returned if a glyph command was executed outside a valid glyph project directory. ] ref_error[Invalid snippet file| The code[snippet.yml] file contains invalid data. Most likely, it does not evaluate to a Ruby code[Hash]. ] ref_error[Directory '\.em[directory_name]' is not empty| Returned when executing the #>[init] in a directory that is not empty. ] ref_error[File '\.em[file_name]' already exists| Returned if the name of an existing file was specified as a parameter for the #>[add]. ] ] ]