diff --git a/src/main/java/com/iexec/common/tee/TeeSessionGenerationError.java b/src/main/java/com/iexec/common/tee/TeeSessionGenerationError.java
new file mode 100644
index 00000000..ca169583
--- /dev/null
+++ b/src/main/java/com/iexec/common/tee/TeeSessionGenerationError.java
@@ -0,0 +1,79 @@
+/*
+ * Copyright 2022-2025 IEXEC BLOCKCHAIN TECH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.iexec.common.tee;
+
+import com.iexec.common.replicate.ReplicateStatusCause;
+
+public enum TeeSessionGenerationError {
+    // region Authorization
+    INVALID_AUTHORIZATION,
+    EXECUTION_NOT_AUTHORIZED_EMPTY_PARAMS_UNAUTHORIZED,
+    EXECUTION_NOT_AUTHORIZED_NO_MATCH_ONCHAIN_TYPE,
+    EXECUTION_NOT_AUTHORIZED_GET_CHAIN_TASK_FAILED,
+    EXECUTION_NOT_AUTHORIZED_TASK_NOT_ACTIVE,
+    EXECUTION_NOT_AUTHORIZED_GET_CHAIN_DEAL_FAILED,
+    EXECUTION_NOT_AUTHORIZED_INVALID_SIGNATURE,
+    // endregion
+
+    // region Signature token retrieval
+    GET_SIGNATURE_TOKENS_FAILED_EMPTY_WORKER_ADDRESS,
+    GET_SIGNATURE_TOKENS_FAILED_EMPTY_PUBLIC_ENCLAVE_CHALLENGE,
+    GET_SIGNATURE_TOKENS_FAILED_EMPTY_TEE_CHALLENGE,
+    GET_SIGNATURE_TOKENS_FAILED_EMPTY_TEE_CREDENTIALS,
+    // endregion
+
+    // region Pre-compute
+    PRE_COMPUTE_GET_DATASET_SECRET_FAILED,
+    // endregion
+
+    // region App-compute
+    APP_COMPUTE_NO_ENCLAVE_CONFIG,
+    APP_COMPUTE_INVALID_ENCLAVE_CONFIG,
+    // endregion
+
+    // region Post-compute
+    POST_COMPUTE_GET_ENCRYPTION_TOKENS_FAILED_EMPTY_BENEFICIARY_KEY,
+    POST_COMPUTE_GET_STORAGE_TOKENS_FAILED,
+    // endregion
+
+    // region Secure session generation
+    SECURE_SESSION_STORAGE_CALL_FAILED,
+    SECURE_SESSION_GENERATION_FAILED,
+    SECURE_SESSION_NO_TEE_FRAMEWORK,
+    // endregion
+
+    // region Miscellaneous
+    GET_TASK_DESCRIPTION_FAILED,
+    NO_SESSION_REQUEST,
+    NO_TASK_DESCRIPTION,
+    // worker side
+    UNKNOWN_ISSUE;
+    // endregion
+
+    /**
+     * Convert a TeeSessionGenerationError to a ReplicateStatusCause.
+     * <p>
+     * The {@code IllegalArgumentException} that can be thrown by the {@code valueOf} method can be safely ignored
+     * under the condition the unit tests ensure there are no gaps between {@code TeeSessionGenerationError} and
+     * {@code ReplicateStatusCause} values.
+     *
+     * @return The error converted to the ReplicateStatusCauseEnum
+     */
+    public ReplicateStatusCause toReplicateStatusCause() {
+        return ReplicateStatusCause.valueOf("TEE_SESSION_GENERATION_" + this.name());
+    }
+}
diff --git a/src/test/java/com/iexec/common/tee/TeeSessionGenerationErrorTests.java b/src/test/java/com/iexec/common/tee/TeeSessionGenerationErrorTests.java
new file mode 100644
index 00000000..e7ac1f1d
--- /dev/null
+++ b/src/test/java/com/iexec/common/tee/TeeSessionGenerationErrorTests.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2025 IEXEC BLOCKCHAIN TECH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.iexec.common.tee;
+
+import com.iexec.common.replicate.ReplicateStatusCause;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.EnumSource;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+class TeeSessionGenerationErrorTests {
+    /**
+     * Checks all TeeSessionGenerationError values are found in ReplicateStatusCause
+     *
+     * @param error The enum value under test
+     */
+    @ParameterizedTest
+    @EnumSource(value = TeeSessionGenerationError.class)
+    void shouldConvertToReplicateStatusCause(final TeeSessionGenerationError error) {
+        assertThat(error.toReplicateStatusCause()).isNotNull();
+    }
+
+    /**
+     * Checks all ReplicateStatusCause values starting with {@code TEE_SESSION_GENERATION_} prefix
+     * are found in TeeSessionGenerationError
+     *
+     * @param cause The enum value starting with the correct prefix under test
+     */
+    @ParameterizedTest
+    @EnumSource(value = ReplicateStatusCause.class, names = "TEE_SESSION_GENERATION_.*", mode = EnumSource.Mode.MATCH_ALL)
+    void shouldReplicateStatusCauseExist(final ReplicateStatusCause cause) {
+        final String expectedError = cause.name().replaceFirst("^TEE_SESSION_GENERATION_", "");
+        assertThat(TeeSessionGenerationError.values()).contains(TeeSessionGenerationError.valueOf(expectedError));
+    }
+}