diff --git a/eo-parser/src/main/resources/org/eolang/parser/errors/rt-without-atom.xsl b/eo-parser/src/main/resources/org/eolang/parser/errors/rt-without-atom.xsl
new file mode 100644
index 0000000000..b7bac45078
--- /dev/null
+++ b/eo-parser/src/main/resources/org/eolang/parser/errors/rt-without-atom.xsl
@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+The MIT License (MIT)
+
+Copyright (c) 2016-2024 Objectionary.com
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+-->
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" id="rt-without-atom" version="2.0">
+  <xsl:output encoding="UTF-8" method="xml"/>
+  <xsl:template match="/program/errors">
+    <xsl:copy>
+      <xsl:apply-templates select="node()|@*"/>
+      <xsl:if test="/program/metas/meta[head='rt']">
+        <xsl:if test="not(//o[@atom])">
+          <xsl:element name="error">
+            <xsl:attribute name="check">
+              <xsl:text>rt-without-atoms</xsl:text>
+            </xsl:attribute>
+            <xsl:attribute name="line">
+              <xsl:value-of select="@line"/>
+            </xsl:attribute>
+            <xsl:attribute name="severity">
+              <xsl:text>error</xsl:text>
+            </xsl:attribute>
+            <xsl:text>Using +rt meta without atoms</xsl:text>
+          </xsl:element>
+        </xsl:if>
+      </xsl:if>
+    </xsl:copy>
+  </xsl:template>
+  <xsl:template match="node()|@*">
+    <xsl:copy>
+      <xsl:apply-templates select="node()|@*"/>
+    </xsl:copy>
+  </xsl:template>
+</xsl:stylesheet>
diff --git a/eo-parser/src/main/resources/org/eolang/parser/errors/signed-binding-indexes.xsl b/eo-parser/src/main/resources/org/eolang/parser/errors/signed-binding-indexes.xsl
index 94f9ff0720..89a45b076f 100644
--- a/eo-parser/src/main/resources/org/eolang/parser/errors/signed-binding-indexes.xsl
+++ b/eo-parser/src/main/resources/org/eolang/parser/errors/signed-binding-indexes.xsl
@@ -30,7 +30,7 @@ SOFTWARE.
       <xsl:for-each select="//o[@as and matches(@as, '^(-|\+)\d+$')]">
         <xsl:element name="error">
           <xsl:attribute name="check">
-            <xsl:text>zero-version</xsl:text>
+            <xsl:text>signed-binding-indexes</xsl:text>
           </xsl:attribute>
           <xsl:attribute name="line">
             <xsl:value-of select="@line"/>
diff --git a/eo-parser/src/test/resources/org/eolang/parser/packs/catches/catches-rt-without-atoms.yaml b/eo-parser/src/test/resources/org/eolang/parser/packs/catches/catches-rt-without-atoms.yaml
new file mode 100644
index 0000000000..f423cdbd57
--- /dev/null
+++ b/eo-parser/src/test/resources/org/eolang/parser/packs/catches/catches-rt-without-atoms.yaml
@@ -0,0 +1,14 @@
+xsls:
+  - /org/eolang/parser/errors/rt-without-atom.xsl
+tests:
+  - /program/errors[count(error[@severity='error'])=1]
+eo: |
+  +architect yegor256@gmail.com
+  +home https://github.com/objectionary/eo
+  +package org.eolang
+  +rt jvm org.eolang:eo-runtime:0.0.0
+  +version 0.0.0
+
+  # Boolean.
+  [attr] > obj
+    attr > @