PLS-00615: type mismatch found at string between CASE operand and WHEN operands
Cause: In a simple CASE statement or expression, the CASE operand and WHEN operands do not match in datatype, and it is unclear which implicit conversion is required to correct the mismatch.
Action: Change the CASE operand and WHEN operands so that their datatypes match. Consider using datatype conversion functions in the CASE operand and or or WHEN operands.
Cause: In a simple CASE statement or expression, the CASE operand and WHEN operands do not match in datatype, and it is unclear which implicit conversion is required to correct the mismatch.
Action: Change the CASE operand and WHEN operands so that their datatypes match. Consider using datatype conversion functions in the CASE operand and or or WHEN operands.
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