I feel your stress—losing access to critical workspace data is the last thing anyone wants to deal with. Let’s break down actionable steps to recover your data and resolve this error:

• Start with the version mismatch check
  The error message is a strong hint that your current R version is older than the one used to save the workspace. First, run sessionInfo() in your R console to confirm your current R version. If possible, install the latest R release (or the exact version that created the workspace) and try loading the .RData file again—this is the most likely quick fix.

• Recover partial data with targeted loading
  If updating R isn’t an option right now, try loading the workspace with verbose output to pinpoint where things go wrong:

  load("your_workspace.RData", verbose = TRUE)
  

  This will list each object as it loads, so you can see if the error stops at a specific corrupted object. To extract individual critical objects, use the R.utils package:

  # Install if needed
  install.packages("R.utils")
  library(R.utils)
  
  # Replace "your_critical_object" with the name of your key data
  critical_data <- loadObject("your_workspace.RData", name = "your_critical_object")
  

• Verify file integrity
  First, make a copy of your .RData file (never modify the original!). Then:

  1. Open the copy in a text editor—valid R workspace files start with RDX2 or RDA2. If you see random garbage characters, the file is likely corrupted.
  2. Run this function to validate the file structure:

     tools::checkRdaFile("your_workspace.RData")
     

  If corruption is confirmed, check for auto-backups: look for files like .RData~ or timestamped versions in your project folder or cloud backup storage.

• Check RStudio’s auto-generated backups
  RStudio often creates backup copies of workspaces. Scan your project directory for files named:

  • .RData.bak
  • [your-project-name].RData.bak
  • Workspace files with timestamps (e.g., your_workspace_20240520.RData)
    Try loading these backups—chances are one of them is intact.

内容的提问来源于stack exchange，提问作者Hercules Apergis