Resolving the PLS-00306: the number of parameters or type error when calling stored procedure name

The following error occurs when calling the Oracle stored procedure using SHELL today:

PLS-00306: The number or type of parameters is incorrect when the stored procedure name is called.

Summary: when the number or type of parameters is incorrect when the stored procedure name is called,

One reason may be that the parameters of the front-end code are inconsistent with those of the backend stored procedure,

Including: parameter name, number, data type, parameter type, Parameter order;

Another reason: a null value may be assigned to the front-end, and an error will be reported after it is passed to the background storage process.