diff -u -r a/src/mongo/util/pcre.h b/src/mongo/util/pcre.h
--- a/src/mongo/util/pcre.h       2025-03-02 16:46:18.443355487 -0500
+++ b/src/mongo/util/pcre.h       2025-03-02 16:46:59.651708274 -0500
@@ -155,7 +155,7 @@
     X(ERROR_ALPHA_ASSERTION_UNKNOWN)             \
     X(ERROR_SCRIPT_RUN_NOT_AVAILABLE)            \
     X(ERROR_TOO_MANY_CAPTURES)                   \
-    X(ERROR_CONDITION_ATOMIC_ASSERTION_EXPECTED) \
+    /*X(ERROR_CONDITION_ATOMIC_ASSERTION_EXPECTED)*/ \
     X(ERROR_BACKSLASH_K_IN_LOOKAROUND)           \
     X(ERROR_NOMATCH)                             \
     X(ERROR_PARTIAL)                             \