diff --git a/src/antibot/orchestrator.py b/src/antibot/orchestrator.py
index 5b1847d..6007a94 100644
--- a/src/antibot/orchestrator.py
+++ b/src/antibot/orchestrator.py
@@ -31,6 +31,10 @@ async def pass_challenges(
 	success_locator: str | None = None,
 	detect_locator: str | None = None,
 	timeout_ms=120_000) -> ChallengeOutcome:
+	if not antibot_name:
+		# провайдер не указан — антибот не проходим, сразу к действиям
+		return ChallengeOutcome(True, reason="antibot not requested")
+
 	# установка дедлайна
 	deadline = time.monotonic() + timeout_ms / 1000
 
diff --git a/src/antibot/registry.py b/src/antibot/registry.py
index b549dde..b6824cf 100644
--- a/src/antibot/registry.py
+++ b/src/antibot/registry.py
@@ -29,4 +29,5 @@ async def select_one(page: Page, provider_name: str, **kwargs) -> AntiBotProvide
 			provider.configure(**kwargs)
 			return provider
 	else:
-		raise ProviderNotDetected()
+		known = ", ".join(p.provider for p in _detectors)
+		raise ProviderNotDetected(f"unknown captcha_type {provider_name!r}, expected one of: {known}")
diff --git a/src/api/actions.py b/src/api/actions.py
index ffe9f06..f66c177 100644
--- a/src/api/actions.py
+++ b/src/api/actions.py
@@ -74,10 +74,7 @@ async def inner_html(page: Page, act: ActionRequest, **kwargs) -> str | None:
 async def wait_for(page: Page, act: ActionRequest, **kwargs) -> str | None:
 	assert act.selector
 	assert 1 <=  act.timeout <= 7200
-	try:
-		await page.wait_for_selector(act.selector, timeout=act.timeout * 1000)
-	except Exception as e:
-		return str(e)
+	await page.wait_for_selector(act.selector, timeout=act.timeout * 1000)
 
 
 @register
@@ -92,6 +89,8 @@ async def pass_challenge(
 		success_locator=act.selector or success_locator,
 		detect_locator=detect_locator
 	)
+	if not result.cleared:
+		raise Exception(f"challenge not passed: {result.reason}")
 	return result.reason
 
 
diff --git a/src/main.py b/src/main.py
index aea2e85..42dfebb 100644
--- a/src/main.py
+++ b/src/main.py
@@ -135,12 +135,13 @@ async def solve(
 	except Exception as e:
 		traceback.print_exc()
 		result_payload = {
-			"error": str(e),
+			"error": str(e) or type(e).__name__,
 			"status": False
 		}
 	else:
-		status = not "error" in result["actions"][-1]
-		error = ["Something error", None][status]
+		failed = [a for a in result["actions"] if a.get("ok") is False]
+		status = not failed
+		error = None if status else f"{failed[0]['type']}: {failed[0].get('result')}"
 
 		result_payload = {
 			"status": ["err", "ok"][status],