Fee & Funding Errors (180–199)

These errors relate to funding calculations, fee configuration, and migration logic.

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Error Table

Code	Name	Message	Cause	Solution
180	InvalidFundingFee	Invalid funding fee	Funding fee calculation invalid	Verify funding parameters
181	InvalidMigrationTime	Invalid migration time	Timestamp invalid or in past	Use valid future timestamp
182	InvalidMigrationPeriod	Invalid migration period	Not in valid set (1–24 divisor of 24)	Use 1, 2, 3, 4, 6, 8, 12, or 24
183	InvalidFeeRate	Invalid fee rate	Fee rate out of range	Provide reasonable fee rate
184	InvalidFundingRateMatrix	Invalid funding rate matrix	Matrix length not 365	Provide full 365-day matrix
185	InsufficientFee	Insufficient fee	Fee amount too low	Increase fee amount
186	MigrationTooEarly	Migration too early	Period not elapsed	Wait for migration period

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Characteristics

• Triggered during funding settlement
• Validate migration scheduling
• Enforce fee rate bounds
• Ensure correct funding matrix configuration