cURL Errors

cURL Errors 21 — CURLE_QUOTE_ERROR

In cURL Errors, code 21 is CURLE_QUOTE_ERROR. The official source describes it as “Quote Error”. Its concrete cause depends on the operation and surrounding message.

Code21
SymbolCURLE_QUOTE_ERROR
Source confidencehigh

Official definition

Quote Error

In plain language

In cURL Errors, code 21 is CURLE_QUOTE_ERROR. The official source describes it as “Quote Error”. Its concrete cause depends on the operation and surrounding message.

Context to inspect

  • The surrounding operation, version and subsystem determine the actual cause.
  • The same numeric value can mean something different in another namespace.

Safe first checks

  1. Confirm which product, protocol or subsystem produced the code.
  2. Read the full surrounding error message and inspect relevant logs.
  3. Compare the code with the linked authoritative documentation before changing configuration.

Important context

The surrounding operation, version and subsystem determine the actual cause.

Authoritative source

curl/libcurl — Error Codes

Related codes