diff --git a/sql/server/rel_optimize_proj.c b/sql/server/rel_optimize_proj.c
index cc0bdd3256..1f817fbed9 100644
--- a/sql/server/rel_optimize_proj.c
+++ b/sql/server/rel_optimize_proj.c
@@ -1781,6 +1781,8 @@ rel_groupby_cse(visitor *v, sql_rel *rel)
 					sql_exp *e1_in_exps = (e1->l && e1->alias.rname == e1->l && e1->alias.name == e1->r) ?
 						exps_bind_column2(rel->exps, e1->l, e1->r, NULL) :
 						exps_bind_column(rel->exps, e1->alias.name, NULL, NULL, 0);
+					if (!e1_in_exps)
+						continue;
 					assert(e1_in_exps);
 
 					/* write e2 as an e1 alias since the expressions are the same */
diff --git a/sql/server/rel_select.c b/sql/server/rel_select.c
index ab3fab5d33..a32a8f7e5c 100644
--- a/sql/server/rel_select.c
+++ b/sql/server/rel_select.c
@@ -3299,6 +3299,8 @@ rel_nop(sql_query *query, sql_rel **rel, symbol *se, int fs, exp_kind ek)
 	if (!sname && strcmp(fname, "field") == 0) { /* map into join */
 		if (err)
 			return NULL;
+		if (list_length(exps) < 2)
+			return sql_error(sql, 02, SQLSTATE(42000) "Field function called with not enough arguments");
 		sql_exp *le = exps->h->data;
 		set_freevar(le, 1);
 		list_remove_data(exps, NULL, le);
diff --git a/sql/test/BugTracker-2024/Tests/field-arg-error-Bug-7506.test b/sql/test/BugTracker-2024/Tests/field-arg-error-Bug-7506.test
index e72068cf71..fe6649f434 100644
--- a/sql/test/BugTracker-2024/Tests/field-arg-error-Bug-7506.test
+++ b/sql/test/BugTracker-2024/Tests/field-arg-error-Bug-7506.test
@@ -1,2 +1,5 @@
-statement error
+statement error 42000!SELECT: identifier 'x' unknown
 SELECT FIELD(x, '', '', '', '', '', '', '', '', '', '', '', '', '')
+
+statement error 42000!Field function called with not enough arguments
+SELECT FIELD('fieldID99999999999999999999999999999999999999999999999999999999999999999999999')