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Complete reference of all error messages you might see in Smelt.

File Upload Errors

ErrorCauseSolution
”File contains no data rows”Empty CSV or only headersVerify file has data rows, not just headers
”No columns detected”Missing header rowAdd a header row to your CSV
”File too large”Over 50MBSplit into smaller files (under 50MB each)
“Invalid file format”Not a CSV fileExport from source as CSV format
”Encoding error”Unsupported character encodingRe-save file as UTF-8
”File processing failed”Corrupted or malformed fileRe-export from original source
”Too many columns”Over 100 columnsRemove unnecessary columns
”Too many rows”Over 50,000 rowsSplit into multiple files

Job Errors

ErrorCauseSolution
”Usage limit exceeded”Monthly row limit reachedUpgrade plan or wait for cycle reset
”No templates selected”Forgot to select templatesSelect at least one template in wizard
”Invalid row range”Start row greater than end rowFix row range (start must be ≤ end)
“Template not found”Template was deletedSelect a different template
”File not found”Source file was deletedUpload file again or select different file
”Job timed out”Very large job or network issuesSplit into smaller batches, retry
”Insufficient rows remaining”Requested more than availableReduce row range or upgrade plan

API Key Errors

ErrorCauseSolution
”Invalid API key”Wrong key or revokedRe-enter key or generate new one at OpenAI
”API key expired”Key was revoked at OpenAIGenerate new key at platform.openai.com
”Rate limit exceeded”Too many API requestsWait 1 minute, Smelt auto-retries
”Insufficient credits”OpenAI account has no creditsAdd credits at platform.openai.com
”API key not configured”BYOK mode but no key addedAdd your API key in Settings
”Invalid API key format”Key doesn’t start with sk-Ensure you copied the full key correctly

Authentication Errors

ErrorCauseSolution
”Invalid credentials”Wrong email or passwordCheck spelling, use password reset if needed
”Account not found”Email not registeredCreate a new account
”Too many login attempts”Rate limit triggeredWait 15 minutes before trying again
”Reset link expired”Password reset link older than 1 hourRequest a new password reset
”Reset link already used”Link was already usedRequest a new password reset
”Email already registered”Trying to register existing emailLog in instead, or use password reset

Template Errors

ErrorCauseSolution
”Template name required”Empty name fieldEnter a template name
”Prompt template required”Empty prompt fieldEnter your prompt instructions
”Invalid variable syntax”Malformed {{variable}}Check variable format (double braces)
“Output column name required”Empty output column fieldEnter an output column name
”Cannot edit system template”Trying to edit default templateDuplicate it first, then edit the copy
”Cannot delete system template”Trying to delete default templateSystem templates cannot be deleted

Network Errors

ErrorCauseSolution
”Network error”Connection issueCheck internet connection, retry
”Request timeout”Slow connection or large requestRetry, or try smaller batch
”Service unavailable”Smelt or OpenAI temporarily downWait a few minutes and retry
”Connection refused”Network blockingCheck firewall/VPN settings

Billing Errors

ErrorCauseSolution
”Payment failed”Card declined or expiredUpdate payment method in billing portal
”Subscription not found”Billing sync issueContact [email protected]
”Invalid plan selection”Plan no longer availableSelect a different plan

Export Errors

ErrorCauseSolution
”No results to export”Job has no completed resultsWait for job to complete or check for failures
”Export failed”Server error during exportRetry, contact support if persistent

Quality Flag “Errors”

These aren’t errors, but warnings about output quality:
FlagMeaningAction
forbidden_wordOutput contains banned wordEdit to remove, or update forbidden words list
has_placeholderOutput has unfilled [Name] etc.Check CSV has data, edit to fix
has_ai_speakOutput says “As an AI…”Edit to remove, improve prompt
See Quality Flags for the complete list.

Getting Help

If you encounter an error not listed here:
  1. Screenshot the error — Include the full message
  2. Note what you were doing — Which action triggered it
  3. Contact support — Email [email protected]
Most errors include guidance in the message itself. Read the full error text for specific instructions.