The following messages can appear as error messages:

   Environment errors:
       Can't open requester                                      
       Can't open window                                         
       Not available for this platform                           
       Out of memory                                             
       Stack-overflow                                             (Amiga, Windows)
       Unknown error                                             

   Parameter errors:
       Argument exceeds buffersize                               
       Argument invalid for command                              
       Error in argument                                         
       Error in range                                            
       Invalid condition                                         
       List invalid for command                                  
       No argument given                                         
       No previous test to reuse                                 
       No range given                                            
       No list given                                             
       Range invalid for command                                 

   Register errors:
       Array index out of range                                   (7.0)
       Duplicate register in command                             
       Empty stack                                               
       Illegal array access                                       (7.0)
       Invalid prompt type                                       
       Invalid register                                          
       Read-only register                                        
       Register is not read-only                                 
       Register contains no character-string                     
       Register contains no numeric value                        

   Iteration/Macro errors:
       Error in macro-execution                                  
       Error in key-execution                                    
       Illegal iteration-count                                   
       Illegal redefinition of active register or function-key   
       Invalid function-key                                      
       Iteration not closed                                      
       No iteration active                                       
       Not executing a macro                                      (7.0)

   Input errors:
       Advance past top of buffer                                
       Advance past end of buffer                                
       CTRL_C disabled                                           
       CTRL_D disabled after settings-requester                  
       CTRL_G disabled                                           
       CTRL_T disabled                                           
       Command-history exhausted                                 
       Key cannot be redefined                                    (6.3f)
       No backspaces possible                                    
       No deletes possible                                       
       Retrace-history exhausted                                 
       Unrecognized or improperly placed command                 
       Type-ahead buffer overflow                                

   File errors:
       Backup-file closed - journaling terminated                
       Error while reading input-file                            
       Error while writing output-file                           
       File is a directory                                       
       File-request canceled                                     
       No file specified                                         
       Original file restored                                    
       Remaining file-buffer with modifications                  
       Unable to open debug-file next to backup-file              (7.0)
       Unable to open file <file>                                

   Search/Replace errors:
       No match found                                            
       No search-string given                                    

   Expression errors:
       Error in numeric expression                               
       Division by 0                                             
       Illegal octal digit                                       
       Incorrect character-constant