SQL Server: Msg 8114, Level 16, State 5, Error converting data type varchar to numeric

Hi    i have issue in stored procedure converting data type   Destination table dbo.Z_tbl_CirculationCopy_TEMP has numeric data type But source table Z_tbl_Import_temp have VarChar Type   If I export data from source, I have error message    Msg 8114, Level 16, State 5, Procedure Z_usp_IMPORT_EXCEL_UNPIVOT_1, Line 10 Error converting data type varchar to numeric.   Pls help to resolve this issue   Thanking you in advance   Maideen   Below is my store procedure  

INSERT INTO dbo.Z_tbl_CirculationCopy_TEMP([MEMBER],[LANGUAGE],[TYPE],[PLATFORM],[CATEGORY],[MAINAREA],[STATE],[COPIES],
[MONTHNAME],[YEARNO],[REMARKS],[AVGISSUE_PAID],[AVGISSUE_FREE],[BCP_NTT],[BCP_50],[BCP_20],[BCP_20_Below],
[WP_TOTAL],[SABAH_TOTAL],[SARAWAK_TOTAL],[EM_Total])
 
SELECT [MEMBER],[LANGUAGE],[TYPE],[PLATFORM],[CATEGORY],[MAINAREA],[STATE],[COPIES],
[MONTHNAME],[YEARNO],[REMARKS],[AVGISSUE_PAID],[AVGISSUE_FREE],[BCP_NTT],[BCP_50],[BCP_20],[BCP_20_Below],
[WP_TOTAL],[SABAH_TOTAL],[SARAWAK_TOTAL],[EM_Total]
 
FROM (SELECT [MEMBER],[LANGUAGE],[TYPE],[PLATFORM],[CATEGORY],[MAINAREA],[MONTHNAME],[YEARNO],[REMARKS],
[AVGISSUE_PAID],[AVGISSUE_FREE],[BCP_NTT],[BCP_50],[BCP_20], [BCP_20_Below],
[WP_TOTAL],[SABAH_Total],[SARAWAK_Total],[EM_Total],
[Perlis],[Kedah],[Penang],[Perak],[Kelantan],[Terengganu],[Pahang],[Selangor],[WP],[NegriSembilan],[Melaka],[Johor],
[KotaKinaBalu],[sandakan],[Tawau],[Kudat],[Pendalaman],[Labuan],[SABAH_Other],
[Kuching],[Miri],[Sibu],[Bintulu],[SriAman],[KotaSemerahan],[Sarikei],[SARAWAK_Others],[Others]
FROM dbo.Z_tbl_Import_temp ) P
 
UNPIVOT (Copies FOR State IN ([Perlis],[Kedah],[Penang],[Perak],[Kelantan],[Terengganu],[Pahang],[Selangor],
[WP],[NegriSembilan],[Melaka],[Johor],
[KotaKinaBalu],[Sandakan],[Tawau],[Kudat],[Pendalaman],[Labuan],[SABAH_Other],
[Kuching],[Miri],[Sibu],[Bintulu],[SriAman],[KotaSemerahan],[Sarikei],[SARAWAK_Others],[Others]
))AS unpvt