1054 error in saving new customer

Good Day Sir

             I encountered an error after installing Base Vat app..... how can I fix this? I cant add new customers......

Traceback (innermost last):
File “/home/rd/frappe-bench/frappe-bench/apps/frappe/frappe/widgets/form/save.py”, line 18, in savedocs
doc.save()
File “/home/rd/frappe-bench/frappe-bench/apps/frappe/frappe/model/document.py”, line 175, in save
self.insert()
File “/home/rd/frappe-bench/frappe-bench/apps/frappe/frappe/model/document.py”, line 144, in insert
self.run_before_save_methods()
File “/home/rd/frappe-bench/frappe-bench/apps/frappe/frappe/model/document.py”, line 430, in run_before_save_methods
self.run_method(“validate”)
File “/home/rd/frappe-bench/frappe-bench/apps/frappe/frappe/model/document.py”, line 412, in run_method
return Document.hook(fn)(self, *args, **kwargs)
File “/home/rd/frappe-bench/frappe-bench/apps/frappe/frappe/model/document.py”, line 493, in composer
return composed(self, method, *args, **kwargs)
File “/home/rd/frappe-bench/frappe-bench/apps/frappe/frappe/model/document.py”, line 478, in runner
add_to_return_value(self, f(self, method, *args, **kwargs))
File “/home/rd/frappe-bench/frappe-bench/apps/base_vat/base_vat/vat/vat_validation.py”, line 317, in validate_server_vat
if(nif and validate_vat(doc) != ‘OK’):
File “/home/rd/frappe-bench/frappe-bench/apps/base_vat/base_vat/vat/vat_validation.py”, line 307, in validate_vat
ret = validation.button_check_vat(nif, company)
File “/home/rd/frappe-bench/frappe-bench/apps/base_vat/base_vat/vat/vat_validation.py”, line 138, in button_check_vat
if not self.check_vat(nif):
File “/home/rd/frappe-bench/frappe-bench/apps/base_vat/base_vat/vat/vat_validation.py”, line 145, in check_vat
user_company_vies = frappe.db.get_value(‘Company’, self.company, ‘vies_vat_check’)
File “/home/rd/frappe-bench/frappe-bench/apps/frappe/frappe/database.py”, line 303, in get_value
ret = self.get_values(doctype, filters, fieldname, ignore, as_dict, debug)
File “/home/rd/frappe-bench/frappe-bench/apps/frappe/frappe/database.py”, line 320, in get_values
return self.get_values_from_table(fields, filters, doctype, as_dict, debug, order_by, update)
File “/home/rd/frappe-bench/frappe-bench/apps/frappe/frappe/database.py”, line 397, in get_values_from_table
conditions, order_by), filters, as_dict=as_dict, debug=debug, update=update)
File “/home/rd/frappe-bench/frappe-bench/apps/frappe/frappe/database.py”, line 110, in sql
self._cursor.execute(query, values)
File “/home/rd/frappe-bench/frappe-bench/env/local/lib/python2.7/site-packages/MySQLdb/cursors.py”, line 205, in execute
self.errorhandler(self, exc, value)
File “/home/rd/frappe-bench/frappe-bench/env/local/lib/python2.7/site-packages/MySQLdb/connections.py”, line 36, in defaulterrorhandler
raise errorclass, errorvalue
OperationalError: (1054, “Unknown column ‘vies_vat_check’ in ‘field list’”)

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