How to locate/fix the insert error(ORA-932)?

Have two tables T1, and T2 with same 50+ columns. T2 is located but T1 isn't.
Want to load the data into T1 from T2, so
insert into T1 select * from T2;
Unfortunately I got the error:
ERROR at line 1:
ORA-00932: inconsistent datatypes: expected NUMBER got DATE

When I check the two tables and seems same:

SQL> select COLUMN_NAME, DATA_TYPE,DATA_LENGTH from dba_tab_columns where OWNER='schema1' and table_name = 'T1' minus
  2  select COLUMN_NAME, DATA_TYPE,DATA_LENGTH from dba_tab_columns where OWNER='schema1' and table_name = 'T2';

no rows selected

How to check/fix the error???
jl66Asked:
Who is Participating?
 
sventhanConnect With a Mentor Commented:
How about this...

select COLUMN_NAME, DATA_TYPE,DATA_LENGTH from dba_tab_columns where OWNER='schema1' and table_name = 'T2
minus
select COLUMN_NAME, DATA_TYPE,DATA_LENGTH from dba_tab_columns where OWNER='schema1' and table_name = 'T1'

How many date's do you have?

Check the Date columns on both  the tables.
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jl66Author Commented:
Columns contain date, varchar2, number, char, etc. I checked it. It seems the exactly same.
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jl66Author Commented:
Have two tables T1, and T2 with same 50+ columns. T2 is located but T1 isn't.
=> Have two tables T1, and T2 with same 50+ columns. T2 is loaded but T1 isn't.
Sorry for that.
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sventhanConnect With a Mentor Commented:
or,

Create table t1 as select * from t2
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jl66Author Commented:
For your 1st response it is the same. No rows selected...
T1 has several constraints and T2 hasn't and use the different tablespaces. They are the defferences. This is also why I want  to keep the structure of T1.
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sventhanCommented:
< T1 has several constraints and T2 hasn't

It could be related to data issue. The tablespace does not cause any issues here. Apply the same constrains over T2 and see if you getting the same error.

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jl66Author Commented:
Thanks a lot. The issue was resolved by listing every column.
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