Error
Error Code:
5226
SAP S/4HANA Error 5226: Pattern Extraction Failure
Description
Error 5226 indicates a failure in SAP S/4HANA's intelligent text analysis engine to correctly extract predefined patterns from input text. This typically occurs during automated processes involving document understanding, data entry, or content analysis where the system attempts to identify and structure information from unstructured text fields.
Error Message
ERR_TEXT_EA_PE_ERROR
Known Causes
3 known causesMisconfigured Extraction Patterns
The configured patterns or rules for text extraction may be syntactically incorrect or do not accurately match the expected text structure.
Invalid or Unstructured Input Text
The input text provided for analysis is poorly formatted, contains unexpected characters, or deviates significantly from the structure the patterns are designed for.
Insufficient System Resources
Temporary overload or lack of computational resources on the SAP S/4HANA server preventing the pattern extraction engine from completing its task.
Solutions
3 solutions available1. Verify and Recreate SAP HANA Fulltext Index medium
The most common cause is a corrupted or inconsistent full-text index. This solution involves dropping and recreating the index.
1
Identify the table and column(s) causing the error. This usually requires checking the SAP application logs (e.g., SM21, ST22) or the HANA trace files for more specific details about the table/index involved.
2
Connect to your SAP HANA database using a SQL client (e.g., SAP HANA Studio, hdbsql).
3
Execute a statement to drop the full-text index for the identified table and column(s). Replace `YOUR_SCHEMA`, `YOUR_TABLE`, and `YOUR_COLUMN` with the actual names.
DROP FULLTEXT INDEX ON "YOUR_SCHEMA"."YOUR_TABLE" FOR "YOUR_COLUMN";4
Recreate the full-text index. This command might need adjustment based on your specific full-text index configuration (e.g., language, stop words). Refer to SAP documentation for the exact syntax based on your S/4HANA version and configuration.
CREATE FULLTEXT INDEX ON "YOUR_SCHEMA"."YOUR_TABLE" ("YOUR_COLUMN") LANGUAGE COLUMN "LANGUAGE_COLUMN" STOPLIST "SYSTEM_STOPLIST";5
Test the functionality that previously triggered the error to confirm the issue is resolved.
2. Check and Correct Data Encoding for Fulltext Search medium
Incorrect character encoding in the data being indexed can lead to pattern extraction failures. This solution focuses on ensuring data consistency.
1
Identify the table and column(s) involved in the error, similar to the previous solution.
2
Examine the data within the affected column(s) in the identified table. Look for unusual characters, mixed encodings, or data that might not be compatible with the configured full-text index language.
3
If problematic data is found, consider cleaning or transforming it. This might involve using SQL functions to convert characters or remove invalid entries. For example, to remove non-printable ASCII characters:
UPDATE "YOUR_SCHEMA"."YOUR_TABLE" SET "YOUR_COLUMN" = REGEXP_REPLACE("YOUR_COLUMN", '[[:cntrl:]]', '', 1, 0, 'g');4
After data correction, it's often necessary to rebuild the full-text index for the affected table. Refer to Solution 1 for steps on dropping and recreating the index.
5
Re-test the functionality to ensure the error is resolved.
3. Restart SAP HANA System and Application Servers easy
A simple restart can resolve transient issues within the HANA system or application server components responsible for full-text indexing.
1
Coordinate with your SAP Basis team to schedule a brief downtime for the SAP S/4HANA system.
2
Perform a clean shutdown and restart of the SAP S/4HANA application servers. This is typically done via SAP transaction `SM51` and `SMutdown`.
3
Restart the SAP HANA database. This can be done via SAP HANA Studio, HANA Cockpit, or command-line tools like `HDB start` (ensure you have the necessary permissions).
sudo /usr/sap/<SID>/HDB<instance>/HDB start4
Once all components are back online, test the functionality that triggered the error.