# [COSD_REGEX_TOO_SMALL](https://apps.juniper.net/syslog-explorer/?msg=COSD_REGEX_TOO_SMALL)

## SYSLOG Details
- **Message**: Regular expression buffer too small: <variable>error-message</variable>
- **Help**: Regular expression buffer too small
- **Description**: COSD encountered buffer shortage while compiling regular expression for wildcard interfaces.
- **Type**: SNO: Should Not Occur
- **Severity**: error
- **Cause**: An internal software failure occurred.
- **Action**: Contact your technical support representative.
- **Attributes**: error-message
- **Facility**: LOG_DAEMON

## Found this message in the following releases:
- [Junos OS 24.2R1](https://apps.juniper.net/syslog-explorer/?msg=COSD_REGEX_TOO_SMALL&sw=Junos%20OS&rel=24.2R1)
- [Junos OS 23.4R1](https://apps.juniper.net/syslog-explorer/?msg=COSD_REGEX_TOO_SMALL&sw=Junos%20OS&rel=23.4R1)