Facing Database Enviornment Issue

[Debahacker]

Since Yesterday, while I was running all the queries just as it is I didn't face any issue. But since today, whenever I am trying to run a query I am shown this same error.
"KeyError Traceback (most recent call last)
/tmp/ipython-input-53-3512846643.py in <cell line: 0>()
----> 1 get_ipython().run_cell_magic('sql', '', "SELECT *\nFROM information_schema.columns\nWHERE table_name = 'customers'\n")

6 frames
/usr/local/lib/python3.11/dist-packages/google/colab/_shell.py in run_cell_magic(self, magic_name, line, cell)
274 if line and not cell:
275 cell = ' '
--> 276 return super().run_cell_magic(magic_name, line, cell)
277
278

/usr/local/lib/python3.11/dist-packages/IPython/core/interactiveshell.py in run_cell_magic(self, magic_name, line, cell)
2471 with self.builtin_trap:
2472 args = (magic_arg_s, cell)
-> 2473 result = fn(*args, **kwargs)
2474 return result
2475

in execute(self, line, cell, local_ns)

/usr/local/lib/python3.11/dist-packages/IPython/core/magic.py in (f, *a, **k)
185 # but it's overkill for just that one bit of state.
186 def magic_deco(arg):
--> 187 call = lambda f, *a, **k: f(*a, **k)
188
189 if callable(arg):

in execute(self, line, cell, local_ns)

/usr/local/lib/python3.11/dist-packages/IPython/core/magic.py in (f, *a, **k)
185 # but it's overkill for just that one bit of state.
186 def magic_deco(arg):
--> 187 call = lambda f, *a, **k: f(*a, **k)
188
189 if callable(arg):

/usr/local/lib/python3.11/dist-packages/sql/magic.py in execute(self, line, cell, local_ns)
217 return value
218 except ValueError:
--> 219 raise TraitError("{}: displaylimit is not an integer".format(value))
220
221 @observe("autopandas", "autopolars")

/usr/local/lib/python3.11/dist-packages/sql/run.py in run(conn, sql, config, user_namespace)

/usr/local/lib/python3.11/dist-packages/sql/run.py in init(self, sqlaproxy, config)

KeyError: 'DEFAULT'
"
Please kindly look into this issue.