Error
Error Code:
1033
SAP S/4HANA Error 1033: Invalid Session Protocol Parsing
Description
This error indicates that the SAP S/4HANA system encountered an issue while attempting to parse a communication protocol, often during session establishment or data exchange. It typically occurs when the protocol format is unrecognized, corrupted, or incompatible with the expected standards, preventing successful communication.
Error Message
ERR_SES_INV_PROTOCOL
Known Causes
4 known causesMismatched Protocol Versions
Different system components or communicating applications might be using incompatible protocol versions, leading to parsing failures.
Corrupted Communication Data
Data packets transmitted over the network or within the system could become corrupted, causing the protocol information within them to be unreadable or invalid.
Incorrect Network Configuration
Misconfigured network devices, proxies, or security settings can interfere with protocol negotiation and proper data transmission, resulting in parsing errors.
Outdated System Components
Running outdated versions of SAP S/4HANA components or underlying operating system libraries might lack support for required protocol standards or contain parsing bugs.
Solutions
Coming SoonGeneral Troubleshooting Tips
- Check the error message carefully for specific details
- Review recent changes that might have caused the error
- Search for the exact error code in the official documentation
- Check log files for additional context
- Try restarting the application or service