Handling Errors & Warnings in R | List of Typical Messages & How to Solve
This page explains some of the most common error and warning messages in the R programming language.
Below, you can find a list of typical errors and warnings. When clicking on the bullet points of the list, you are headed to detailed instructions on how to deal with the corresponding error or warning message.
You may use the list as cheat sheet whenever you are facing an error or warning message in R.
Let’s dive into the examples!
List of Typical Errors & Warnings in R (+ Examples)
- Error: ‘\U’ used without hex digits in character string starting “”C:\U”
- Error: (list) object cannot be coerced to type ‘double’
- Error: Aesthetics must be either length 1 or the same as the data
- Error: cannot allocate vector of size X Gb
- Error: object X not found
- Error: stat_count() must not be used with a y aesthetic.
- Error: unexpected ‘,’ in “,”
- Error: unexpected ‘}’ in X
- Error: unexpected ‘=’ in “=”
- Error: unexpected ‘)’ in “)”
- Error: unexpected ‘else’ in “else”
- Error: unexpected input in X
- Error: unexpected numeric constant in X
- Error: unexpected SPECIAL in X
- Error: unexpected string constant in X
- Error: unexpected symbol in X
- Error in file(file, “rt”) : cannot open the connection
- Error in if (NA) { : missing value where TRUE/FALSE needed
- Error in plot.new() : figure margins too large
- Error in X : $ operator is invalid for atomic vectors
- Error in X : arguments imply differing number of rows
- Error in X : could not find function X
- Error in X : non-numeric argument to binary operator
- Error in X : object of type ‘closure’ is not subsettable
- Error in X : subscript out of bounds
- Error in X : undefined columns selected
- geom_path: Each group consists of only one observation. Do you need to adjust the group aesthetic?
- Please select a CRAN mirror for use in this session
- Warning message: invalid factor level, NA generated
- Warning message: NAs introduced by coercion
Note that there are usually different reasons why an error or warning message can occur. Please let me know in the comments in case the provided tutorials on this page didn’t solve your problem.
Furthermore, please let me know in the comments in case the error or warning message you have problems with is not included in the previous list.
I’m looking forward to hearing from you in the comments!