# Reliability
Enlightn has 45 automated reliability checks (including 17 Enlightn Pro checks).
# 🧐 Code Reliability and Bug Detection
- Invalid Foreach Iterable
- Invalid Function Calls
- Invalid Imports
- Invalid Method Calls
- Invalid Method Overrides
- Invalid Offset
- Invalid Property Access
- Invalid Return Type
- Invalid Unset
- Missing Model Relation
- Missing Return Statement
- Syntax Error
- Undefined Constant
- Undefined Variable
# 💪 Health Checks
- Cache Status
- Composer Validation
- Database Status
- Directory Write Permissions
- Maintenance Mode
- Env File
- Up To Date Migrations
- Disk Space PRO
- Horizon Status PRO
- Redis Status PRO
- Storage Links PRO
# ⚙️ Detecting Misconfigurations
- Cache Prefix
- Queue Timeouts
- Failed Job Timeouts PRO
- Horizon Prefix PRO
- Horizon Provisioning Plans PRO
- Queue Blocking PRO
- PCNTL PRO
- Redis Eviction Policy PRO
- Redis Prefix PRO
- Redis Shared Database PRO